1. A system comprising: one or more devices configured to: receive a first search query; determine that the first search query includes a first entity name and that the first entity name does not correspond to one of a plurality of common words or phrases; rewrite the first search query to include a first restrict identifier that restricts a search, based on the rewritten first search query, to a first domain associated with the first entity name, in response to determining that the first search query includes a first entity name and that the first entity name does not correspond to one of the plurality of common words or phrases; perform a search, based on the rewritten first search query, to obtain first search results; and present the first search results.