Perhaps you should try some spelling variations:
literature art » literature part, literature arts, literature a
literatur oral » literatura oral, literatur moral, literature moral
a literatur » a literature
3 agenda » _ agenda, 7 agenda, 1 agenda
_ agents » _ agent
ii a » i a

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: (( 3 agenda _ a literatur oral ) OR ( _ agents ((ii a) OR (ii _)) literature art )).
• Adding a wildcard symbol may retrieve word variants: (( 3 agenda _ a literatur oral ) or ( _ agents ((ii a) or (ii _)) literature art ))*.