Perhaps you should try some spelling variations:
transdisciplinary perspectives » transdisciplinary perspective, transdisziplinare perspektiven, interdisciplinary perspectives
police studies » policy studies, politics studies, polizei studien
place studies » peace studies, plane studies, space 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: ((police studies) OR (place studies)) - transdisciplinary perspectives.
• Adding a wildcard symbol may retrieve word variants: ((police studies) or (place studies)) - transdisciplinary perspectives*.