1. A computer-implemented method comprising: receiving an electronic representation of a conversation between a plurality of human voices; recognizing one or more words in a first portion of the electronic representation of the conversation; recognizing one or more words in a second portion of the electronic representation of the conversation, wherein the second portion is different from the first portion, wherein the first portion has a duration from a first time to a second time, and wherein the second portion has a duration from a third time to a fourth time, the third time being after the first time and before the second time; selecting search terms for a search query, wherein the search terms include: at least one word from the one or more recognized words in the first portion that is selected as a search term based on whether the word is a proper noun, based on an inverse of a frequency of the word in a corpus of documents, and based on a number of times that the word is recognized in the first portion of the electronic representation of the conversation, at least one word that was not spoken in the conversation and is related to a word that was spoken in the conversation, and one or more words recognized in the second portion of the electronic representation of the conversation; causing the search terms to be displayed on a display device in a text format; receiving a search query that includes at least one of the search terms.