Perhaps you should try some spelling variations:
studien der » studie der, studenten der
studien die » studie die
pa school » ma school, pisa school, law school
a school » law school
der pa » der pal, der pac, der paf
die a » die _, die 7, die 5

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 pa school of governance ) OR ( studien die a school of governance )).
• Adding a wildcard symbol may retrieve word variants: (( studien der pa school of governance ) or ( studien die a school of governance ))*.