Perhaps you should try some spelling variations:
political scientist » political scientists, political sciences, political science
clinical scientific » critical scientific, technical scientific, empirical scientific
clinical scientist » clinical sciences, political scientists, clinical science
anthony a » anthony _
anthony c » anthony _

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: ((anthony a) OR (anthony c)) (((political scientist) OR (((clinical scientist) OR (clinical scientific))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((anthony a) or (anthony c)) (((political scientist) or (((clinical scientist) OR (clinical scientific)))))".
• Adding a wildcard symbol may retrieve word variants: ((anthony a) or (anthony c)) (((political scientist) or (((clinical scientist) OR (clinical scientific)))))*.