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

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( literatura arabe ((e isaac) OR (en isaac)). ) or ( literatura es ((de isla) or (de islam)). ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( literatura arabe ((e isaac) OR (en isaac)). ) OR ( literatura es ((de isla) OR (de islam)). )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( literatura arabe ((e isaac) OR (en isaac)). ) or ( literatura es ((de isla) or (de islam)). ))".
• Adding a wildcard symbol may retrieve word variants: (( literatura arabe ((e isaac) OR (en isaac)). ) or ( literatura es ((de isla) or (de islam)). ))*.