Perhaps you should try some spelling variations:
biowissenschaften » medienwissenschaften
geowissenschaften » geisteswissenschaften
neurowissenschaften » naturwissenschaften, kulturwissenschaften

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: (biowissenschaften OR (geowissenschaften OR neurowissenschaften)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(biowissenschaften or (geowissenschaften OR neurowissenschaften))".
• Adding a wildcard symbol may retrieve word variants: (biowissenschaften or (geowissenschaften OR neurowissenschaften))*.