Perhaps you should try some spelling variations:
studie tider » studien wider, studie der, studie oder
studien der » studie der, studenten der
studien die » studie die
ma school » roma school, 4 school, 9 school
pa school » pisa school, 4 school, 9 school
tider a » tider ma, tide a, tider i

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) OR (studien die)) ((ma school) OR (pa school)) of governance ) OR ( studie tider a school of governance )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((studien der) or (studien die)) ((ma school) OR (pa school)) of governance ) or ( studie tider a school of governance ))".
• Adding a wildcard symbol may retrieve word variants: (( ((studien der) or (studien die)) ((ma school) OR (pa school)) of governance ) or ( studie tider a school of governance ))*.