1. A method comprising: a) accepting search query information including a word; b) determining one or more words related to the word included in the accepted search query; c) generating an item request including i) the word included in the accepted search query, and ii) the one or more words determined to be related to the word included in the accepted search query; d) retrieving items using the item request; and e) applying each of the retrieved items to a performance threshold, wherein the performance of any items retrieved on the basis of the one or more words determined to be related to the word included in the accepted search query is applied to a higher performance threshold than the performance threshold used for any items retrieved on the basis of the word included in the accepted search query.