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

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