Perhaps you should try some spelling variations:
prescriptions many » prescriptions early, prescriptions a, prescriptions body
prescription maps » prescription law, prescription a, prescription fees
prescription map » prescription law, prescription _, prescription iv

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((prescription maps) OR (prescriptions many))) OR (prescription map)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((prescription maps) OR (prescriptions many))) or (prescription map))".
• Adding a wildcard symbol may retrieve word variants: ((((prescription maps) OR (prescriptions many))) or (prescription map))*.