Perhaps you should try some spelling variations:
literatura arabe » literatura breve, literatura de, literatura e
literatura en » literatura de, literatura espana
en islam » el islam, e islam, en ilam
un islam » el islam, e islam, al islam
de islas » de isla, de islam, de isaias
e islas » el islam

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: (( literatura arabe ((en islam) OR (un islam)). ) OR ( literatura en ((de islas) OR (e islas)). ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( literatura arabe ((en islam) or (un islam)). ) or ( literatura en ((de islas) OR (e islas)). ))~".
• Adding a wildcard symbol may retrieve word variants: (( literatura arabe ((en islam) or (un islam)). ) or ( literatura en ((de islas) OR (e islas)). ))*.