Is it possible to restrict candidate quick search to candidates relating to a users activity only?

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When our hiring managers search for a candidate using the quick search in Taleo, the search results show all candidates in the system.  Is it possible to restrict this search capability so the only candidate records that show in the search results are candidates associated with a hiring managers recruitment activity (candidates that have applied for requisitions the manager owns or is a collaborator on)?  We have had to remove the hiring managers ability to use the quick search because they were able to view confidential hires data.