28. The system of claim 27 , wherein generating the first search result snippet to be presented as part of the first search result in the presentation of the one or more search results comprises visually distinguishing the suggested query phrase from other text in the first search result snippet.
27. A system comprising: one or more computers and one or more storage devices storing instructions that are operable, when executed by the one or more computers, to cause the one or more computers to perform operations comprising: receiving a search query; obtaining one or more search results responsive to the search query, wherein a first search result of the one or more search results identifies a resource including text; analyzing the text of the resource to identify a contiguous portion of text of the resource using a computed histogram of words in the text of the resource, the contiguous portion of text being a phrase in the resource characteristic of the resource and not identical to the query; selecting a suggested query phrase from the contiguous portion of the text of the resource; generating a first search result snippet to be presented as part of the first search result in a presentation of the one or more search results, wherein the first search result snippet presented as part of the first search result includes the suggested query phrase as a selectable user interface element for a user to submit the suggested query phrase as a new search query; and providing the presentation of the one or more search results, including the first search result snippet as part of the first search result, in response to the search query.