1. A method for providing enhanced search results in response to a search request having a search term, the search results including a plurality of document identifiers, each document identifier having a hyperlink and an abstract with a plurality of abstract terms, the method comprising: receiving a search query containing a plurality of terms; retrieving a plurality of document identifiers associated with the search query; retrieving a plurality of feedback logs associated with the search query terms, the feedback logs containing a plurality of past document identifiers previously presented to users and an indication of a user selections of the past document identifiers; identifying a plurality of contiguous phrases present in the abstract of a given past document identifier; filtering out a plurality of non-biddable phrases in the abstract; for each identified contiguous phrase, generating a popularity factor, the popularity factor based on the number of occurrences of the identified phrase in the feedback logs and the indication of a user selections of the past document identifiers; determining the relevancy factors based on the popularity factors; and generating a search results page in response to the search request for the search term where the ordering of the document identifiers is determined based on the relevancy factors.