# Search (UI)

> The control and the results behind it — where people go when they know what they want and cannot find it.

- Category: UI Components
- Canonical: https://www.themasterly.com/glossary/search-ui

Search is where people go when they know what they want and cannot find it. That makes it a fallback for [information architecture](https://www.themasterly.com/glossary/information-architecture) and, in a large product, a primary route in its own right.

It is also the component most often shipped as a text box wired to an exact-match query, which works for the team who knows the vocabulary and fails for everyone else.

## Matching has to forgive

Most in-product search fails before ranking is ever relevant.

**Typos.** One transposed letter returning nothing is the single most common failure. Fuzzy matching at a modest edit distance fixes the bulk of it.

**Plurals and stems.** "Invoices" should find "invoice".

**The user's word, not yours.** People search for what they call it. Synonym mapping — a short list maintained by whoever reads support tickets — closes more gaps than any algorithm change, because the gaps are specific and few.

**Partial matches.** Searching "acme" should find "Acme Corporation Ltd".

**Identifiers, exactly.** Invoice numbers, ticket references and emails should match precisely and rank first. These are the highest-intent searches in any B2B product.

## The empty result is the important screen

A bare "No results" is where somebody concludes the product does not contain the thing, and usually it does.

**Say what was searched.** Especially after a redirect or a correction.

**Offer a correction.** Did you mean, with the corrected query already run.

**Widen the scope.** *No results in this project. 12 matches across all projects* turns a dead end into an answer.

**Show the nearest matches** rather than nothing, and label them as approximate.

**Name the constraints.** If a filter was active, say so and offer to drop it. See [filter](https://www.themasterly.com/glossary/filter-ui) and [empty state](https://www.themasterly.com/glossary/empty-state).

## Details that decide whether people use it

**Scope, stated.** Searching within a project and searching everything are different questions, and the control must say which is happening.

**Results as you type, where the query is cheap.** It teaches what search covers. Where queries are expensive, debounce and show a pending state; never let results flicker behind the typing.

**Keyboard access.** A shortcut to focus search, arrow keys through results, Enter to open. In a tool people use all day this is the difference between a feature and a habit. Where the product is dense enough, this becomes a [command palette](https://www.themasterly.com/glossary/command-palette).

**Recent and saved searches.** Most searches in a working tool repeat.

**Results that are useful, not just matching.** A row needs enough context to choose: what kind of thing it is, which project it belongs to, when it changed. A list of names is a second search.

## Why in-product search is not the browser's

Browser find only sees what is rendered. Text inside a collapsed [accordion](https://www.themasterly.com/glossary/accordion-ui), on page four of a [table](https://www.themasterly.com/glossary/data-table), or in a tab that has not been opened is invisible to it.

Products with substantial hidden content therefore need their own search, and the settings area is the usual case: forty groups, most collapsed, and a person who knows the setting exists but not which group holds it.

## In practice

A product's search matches exactly and searches only the current project.

Support tickets accumulate in a pattern. Customers cannot find records they are certain exist, and when an agent looks, the record is there — in a different project, or spelled with a hyphen the customer omitted, or plural where they typed singular.

Three changes, none of them ranking work. Fuzzy matching at one edit distance. A synonym list seeded from a month of support tickets. And a line under an empty result: *No matches in this project. 7 across all projects.*

The search index did not change. What changed is that the component stopped requiring people to know how the data was entered.

## Where teams get it wrong

- **Exact matching only.** One typo and the product appears to be missing data.
- **A dead-end empty state.** The screen where people give up.
- **Unstated scope.** Nobody knows what was searched.
- **Results with no context.** A list of names is a second search.
- **Relying on browser find.** It cannot see collapsed or paginated content.
- **No keyboard route.** In a daily tool, that decides whether it is used at all.

## Related terms

- [Filter UI](https://www.themasterly.com/glossary/filter-ui)
- [Information Architecture](https://www.themasterly.com/glossary/information-architecture)
- [Data Table](https://www.themasterly.com/glossary/data-table)
- [Empty State](https://www.themasterly.com/glossary/empty-state)

## FAQ

**What makes search work in a product?**

Forgiving matching and a useful empty result. Most in-product search fails on exact matching — a typo, a plural, or the user's word rather than yours returns nothing — and then offers a dead end instead of a suggestion. Both are fixable without touching the ranking.

**Should search return results as you type?**

Where the set is small and the query is cheap, yes: seeing results narrow teaches what the search covers. Where each query is expensive, debounce it and show a clear pending state. What must not happen is results flickering behind the typing, which makes the list unreadable.

**What is the difference between search and filter?**

Search matches free text against content, for when you know a word. Filters narrow by known attributes, for when you know a dimension. Products offering only search make people guess the internal vocabulary; products offering only filters make people hunt for a record they could have named.

**Should search look inside collapsed or paginated content?**

In-product search should, and browser find cannot. Text inside a collapsed accordion or on page seven is invisible to the browser's own search, which is why a product with substantial hidden content needs its own search rather than relying on the one people already have.

**What should a search with no results show?**

What was searched, why it might have failed, and a way forward: a corrected spelling, a broader scope, or the nearest matches. A bare "No results" is a dead end, and it is the screen where people conclude the product does not contain what they are looking for when usually it does.

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