Systems and methods for determining search terms for sponsored Internet searches are disclosed. A digital Internet ad is served to a plurality of Internet users. Search terms used by the plurality of Internet users served the digital Internet ad may be determined. A number of times each of the plurality of Internet users served the digital Internet ad selects the digital Internet ad is determined. A search term recommendation module determines a correlation level between each search term and the digital Internet ad. At least one of the search terms is recommended for a sponsored Internet search based on the determined correlation levels.