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

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