Perhaps you should try some spelling variations:
"literatura arabe e isla." » "literatura breve e isla.", "literatura e e isla.", "literatura al e isla.", "literatura arabes e isla.", "literatura arabe de isla.", "literatura arabe en isla.", "literatura arabe e islas.", "literatura arabe e islam."
"literatura del de isaac." » "literatura en de isaac.", "literatura del dean isaac."
"literatura de una isla." » "literatura de la isla.", "literatura de una idea."

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 arabe e isla.") or ("literatura del de isaac."))) or ("literatura de una isla."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura arabe e isla.") OR ("literatura del de isaac."))) OR ("literatura de una isla.")).
• Removing quotes may allow a broader search: (((( literatura arabe e isla. ) or ( literatura del de isaac. ))) or ( literatura de una isla. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura arabe e isla.") or ("literatura del de isaac."))) or ("literatura de una isla."))*.