Perhaps you should try some spelling variations:
sociologist » sociological
sociologists » sociologicals, sociological, biologists
radiologists » biologists, radiological
sociologie » sociology, sociological
sociologia » sociological, sociology

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: (( sociologist OR ( sociologists OR radiologists )) OR ( sociologie OR sociologia )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( sociologist or ( sociologists OR radiologists )) or ( sociologie or sociologia ))".
• Adding a wildcard symbol may retrieve word variants: (( sociologist or ( sociologists OR radiologists )) or ( sociologie or sociologia ))*.