I think you would receive more "Resumes", if you accept people from abroad. There are many guys hoping an opportunity to leave their countries, searching a better life. Also it could better for your company, economically, if you can hire people at lower cost
You have to show all the records that exactly match.
One solution proposed in other threads of this forum was to create an intermediate class which filters all the results of "Data find(String criteria);" and returns only the records that exactly match.