1. A term relationship identification method used in connection with a social network having a plurality of social networking partners, the method comprising: identifying by a processor at least a first term in a first search phrase of a first electronic search performed by a first one of the social networking partners; identifying by the processor a first document as a search result of the first electronic search; identifying by the processor at least a second term in a second search phrase of a second electronic search performed by a second one of the social networking partners, wherein the second term is not included in the first search phrase and wherein the second search phrase includes the first term and the second term; identifying by the processor a search result set generated in response to the second search; determining by the processor an association between the first search phrase and the second search phrase responsive to the second one of the social networking partners making a selection from the search result set, the selection being the same document as the first document from the search result of the first electronic search, wherein the first document does not include the second term; and improving by the processor a subsequent search result based upon the determined association of the first search phrase with the second search phrase, wherein the second term not included in the first search phrase and not included in the first document is added to an index of the first document to include the first document in the subsequent search result.
5. The method of claim 1 , wherein the association between the first search phrase and the second search phrase only influences relevance and inclusion in search results for a subset of social networking partners.