Perhaps you should try some spelling variations:
studien der » studie der, studenten der
mac school » c school, sic school, music school
oder macht » der macht, wer macht, uber macht
oder macc » oder mac, oder mach, oder man
der mac » oder mac, der mach, der macht

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: (( studien der mac school of governance ) OR ( studien ((oder macc) OR (oder macht)) school of governance )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( studien der mac school of governance ) or ( studien ((oder macc) OR (oder macht)) school of governance ))".
• Adding a wildcard symbol may retrieve word variants: (( studien der mac school of governance ) or ( studien ((oder macc) OR (oder macht)) school of governance ))*.