19. The system of claim 12 , wherein determining that the particular search result is highly ranked for the second search query includes determining that the particular search result appears within a threshold number of highest-ranked second search results of the second search results responsive to the second search query.
19. The system of claim 12 , wherein determining that the particular search result is highly ranked for the second search query includes determining that the particular search result appears within a threshold number of highest-ranked second search results of the second search results responsive to the second search query. 20. The system of claim 19 , wherein determining that the particular search result is related to the first search query includes determining that the particular search result is responsive to the first search query; and wherein modifying the first search results includes moving the particular search result from an original position in the order to an improved position that is within the threshold number of highest-ranked first search results.