Perhaps you should try some spelling variations:
literature arab » literatura arab, literature arts, literature art
literatur oral » literatura oral, literatur moral, literature moral
agenda _i » agenda bis, agenda 21, agenda a
3 agenda » 7 agenda, 1 agenda, 3 agency
_ agenda » _ agent, _ agents, _ agency
_i a » d_i a, i a, ii 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 ( _ agenda _i a literature arab )).
• Adding a wildcard symbol may retrieve word variants: (( 3 agenda _ a literatur oral ) or ( _ agenda _i a literature arab ))*.