14. The method according to claim 11 , further comprising: determining whether the query result identifies at least a threshold number of items in the catalog of items; and in response to the query result identifying less than the threshold number of items in the catalog of items, generating an alternate search query based on the search string.
14. The method according to claim 11 , further comprising: determining whether the query result identifies at least a threshold number of items in the catalog of items; and in response to the query result identifying less than the threshold number of items in the catalog of items, generating an alternate search query based on the search string. 17. The method according to claim 14 , wherein: identifying the phrase in the search string comprises identifying a plurality of phrases in the search string; and generating the alternate search query comprises removing at least one of the plurality of phrases in the search string from the search query based on a frequency of appearance of the plurality of phrases in received search strings.