Perhaps you should try some spelling variations:
american politics » african politics
chickens studies » chickens studieson, childrens studies, lichens studies
chicano studies » china studies, piano studies, africana studies

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: (( ((chickens studies) OR (chicano studies)) in american politics ) OR ( thickness studies in american politics )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((chickens studies) OR (chicano studies)) in american politics ) or ( thickness studies in american politics ))".
• Adding a wildcard symbol may retrieve word variants: (( ((chickens studies) OR (chicano studies)) in american politics ) or ( thickness studies in american politics ))*.