In a search engine, parentheses are used to combine hits that include specific words with those that only include one word from a list.

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Parentheses are used in search engines to group search terms together, creating a subquery. This can help to narrow down the search results to more specific matches. By placing a list of words within parentheses, the search engine will return results that include any of the words listed within the parentheses, in addition to any other search terms specified in the overall query.

In a Search Engine, Parentheses Are Used to Combine Hits