Perhaps you should try some spelling variations:
literatura arab » literature arab, literatura oral, literatura artes
literatura del » literatura de, literatura el, letteratura del
a literatura » la literatura, a literature, y literatura
1 literatura » 1 literature, 1 literatur, y literatura
12 agenda » 2 agenda, 10 agenda, 13 agenda
agenda ii » agenda iii, agenda iv, agenda _
agenda i » agenda _, agenda a, agenda 6
1 agenda » _ agenda, 7 agenda, 3 agenda
ii 1 » ii _, ii a, i 1

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: (( 12 agenda i a literatura del ) OR ( 1 agenda ii 1 literatura arab ))*.