Perhaps you should try some spelling variations:
studien der » studie der, studenten der
pa school » a school, ma school, pisa school
tider ma » tide a, tider i, tide may
tider og » tider i
der pa » der pal, der pac, der paf

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