1. A method, comprising: receiving, at a computing device, information indicative of a frequency of submission of a search query to a search engine, wherein the search query comprises a sequence of words; based on the frequency of submission of the search query exceeding a threshold, determining, for the sequence of words of the search query, groupings of one or more words of the search query based on an order in which the one or more words occur in the sequence of words of the search query; and providing information indicating the groupings to a speech recognition system to update a corpus of given sequences of words, wherein the speech recognition system is configured to convert a given spoken utterance into a given sequence of words based on the corpus of given sequences of words.