Systems and methods for providing potential search queries that may be targeted by a given keyword. The method includes receiving, from a third-party content provider, a request to identify one or more search queries that match a given keyword. A table corresponding to the given keyword is identified. The table includes one or more search queries with which at least one third-party content item was selected for display. The selected third-party content item was selected responsive to a bid for the given keyword. The method determines from the identified table, one or more search queries that correspond to the given keyword. The determined search queries that correspond to the given keyword are those search queries that can be targeted by the given keyword. The method provides for display, the determined search queries that correspond to given keyword.