Perhaps you should try some spelling variations:
studien oder » studie oder, studieren oder, studien wider
studies oder » studies der, studies over, studie oder
studien der » studie der, studenten der
each school » french school, dutch school
mac school » c school, sic school, music school
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) OR (studies oder)) each 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) OR (studies oder)) each school of governance ))".
• Adding a wildcard symbol may retrieve word variants: (( studien der mac school of governance ) or ( ((studien oder) OR (studies oder)) each school of governance ))*.