Perhaps you should try some spelling variations:
literatura arabe » literatura breve, literatura de, literatura e
literatura es » literatura en, literatura e, literatura el
arabe e » arabes e, arabe de, arabe en
e isaac » de isaac, en isaac, _ isaac
e islam » el islam, e islas, del islam
e isla » e islas, de isla, e isela

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 e isaac. ) OR ( literatura es ((e isla) OR (e islam)). ))~.
• Adding a wildcard symbol may retrieve word variants: (( literatura arabe e isaac. ) or ( literatura es ((e isla) or (e islam)). ))*.