Perhaps you should try some spelling variations:
"literatura arabe e islas." » "literatura breve e islas.", "literatura al e islas.", "literatura arabes e islas.", "literatura arabe de islas.", "literatura arabe en islas.", "literatura arabe el islam."
"literatura e de isaac." » "literatura en de isaac.", "literatura del de isaac.", "literatura y de isaac.", "literatura _ de isaac.", "literatura o de isaac."
"literatura de de islamm." » "literatura de de islam.", "literatura de del islam.", "literatura de de isla.", "literatura de fe islamm.", "literatura de di islamm.", "literatura dy de islamm.", "literatura d_ de islamm.", "literatura do de islamm."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("literatura e de isaac.") or ("literatura de de islamm."))) or ("literatura arabe e islas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura e de isaac.") OR ("literatura de de islamm."))) OR ("literatura arabe e islas.")).
• Removing quotes may allow a broader search: (((( literatura e de isaac. ) or ( literatura de de islamm. ))) or ( literatura arabe e islas. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura e de isaac.") or ("literatura de de islamm."))) or ("literatura arabe e islas."))*.