Perhaps you should try some spelling variations:
heros moderne » versus moderne, der moderne, reis moderne
de literatura » de litterature, la literatura, y literatura
rosi moderne » crise moderne, modi moderner, das moderne
e literatura » y literatura, e literatur, a literatura

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: ((rosi moderne) OR (heros moderne)) studien _ filosofia ((e literatura) OR (de literatura)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((rosi moderne) or (heros moderne)) studien _ filosofia ((e literatura) OR (de literatura))".
• Adding a wildcard symbol may retrieve word variants: ((rosi moderne) or (heros moderne)) studien _ filosofia ((e literatura) OR (de literatura))*.