Perhaps you should try some spelling variations:
prescriptions many » prescriptions early, prescription map, prescriptions a
prescription maps » prescription map, prescription law, prescription fees
prescription a » prescriptions a, prescription _, prescription 4

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 (prescription a))) OR (prescriptions many)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((prescription maps) OR (prescription a))) or (prescriptions many))".
• Adding a wildcard symbol may retrieve word variants: ((((prescription maps) OR (prescription a))) or (prescriptions many))*.