1. One or more computer-readable media storing computer-executable instructions that, when executed by one or more processors, instruct the one or more processors to perform acts comprising: receiving a query by a server, the query including a keyword; obtaining multiple search results based at least in part on the keyword, wherein the multiple search results include: a first set of search results determined based on literal correlations with the keyword; and a second set of search results including one or more search results that are not in the first set of search results, each individual search result of the second set of search results being determined based at least in part on correlations among the keyword and transactional parameters, each individual transactional parameter of the transactional parameters being determined based on a ratio of a number of users purchasing one or more items associated with an individual search result to a number of users investigating the individual search result; and assigning the second set of search results a higher priority than the first set of search results.