Perhaps you should try some spelling variations:
office based » device based
form based » norm based, arm based
edwards ar » edwards jr, edwards dr, edwards fair
edwards a » edwards _, edwards a.m
ar office » war office, hr office, vr office
a form » a formal

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: (( edwards a form based ) OR ( edwards ar office based )).
• Adding a wildcard symbol may retrieve word variants: (( edwards a form based ) or ( edwards ar office based ))*.