Perhaps you should try some spelling variations:
"literatura arabe e islam." » "literatura breve e islam.", "literatura de e islam.", "literatura e e islam.", "literatura arabes e islam.", "literatura arabe de islam.", "literatura arabe en islam.", "literatura arabe el islam.", "literatura arabe e islas."
"literatura _ del islam." » "literatura _ el islam."
"literatura _ de isla." » "literatura _ de 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 _ del islam.") or ("literatura _ de isla."))) or ("literatura arabe e islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura _ del islam.") OR ("literatura _ de isla."))) OR ("literatura arabe e islam.")).
• Removing quotes may allow a broader search: (((( literatura _ del islam. ) or ( literatura _ de isla. ))) or ( literatura arabe e islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura _ del islam.") or ("literatura _ de isla."))) or ("literatura arabe e islam."))*.