Perhaps you should try some spelling variations:
der wissenschaften » der naturwissenschaften (Expand Search), des wissenschaftlichen (Expand Search)
der literatur » und literatur (Expand Search)
die literatur » und literatur (Expand Search)
akademie der » akademie fur (Expand Search), akademie _ (Expand Search)
ns literatur » und literatur (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: akademie der wissenschaften und ((((ns literatur) OR (der literatur))) OR (die literatur))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "akademie der wissenschaften und ((((ns literatur) OR (der literatur))) OR (die literatur))*".