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))))*.