Perhaps you should try some spelling variations:
literatura oral » literature moral, literatura a, literatura del
literatura arab » literature arab, literatura artes, literatura a
la literatura » la litterature, a literature
a literatura » a literature, y literatura, a literatur
agenda ai » agenda aric, agenda ana, agenda auf
1 agenda » 7 agenda, 3 agenda, 1 agency
agenda a » agenda _, agenda 21
_ agenda » _ agent, _ agents, _ agency
ai la » ai law, ai lab, ii la
a a » a la

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: (( 1 agenda a a literatura oral ) OR ( _ agenda ai la literatura arab )).
• Adding a wildcard symbol may retrieve word variants: (( 1 agenda a a literatura oral ) or ( _ agenda ai la literatura arab ))*.