Perhaps you should try some spelling variations:
wissenschaftliche prufung » wissenschaftliche kunde (Expand Search), wissenschaftliche reihe (Expand Search)
fur wissenschaftliche » b wissenschaftliche (Expand Search)
und literatur » ns literatur (Expand Search), der literatur (Expand Search)
die literatur » der literatur (Expand Search), ns literatur (Expand Search)
akademie » akademiker (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "akademie fur wissenschaftliche prufung ((und literatur) OR (die literatur))~".
• Adding a wildcard symbol may retrieve word variants: akademie fur wissenschaftliche prufung ((und literatur) OR (die literatur))*.