Perhaps you should try some spelling variations:
"literatura arabe un islam." » "literatura breve un islam.", "literatura al un islam.", "literatura arabes un islam.", "literatura arabe en islam.", "literatura arabes en islam.", "literatura arabe el islam.", "literatura arabe e islam.", "literatura arabe al islam."
"literatura e de isla." » "literatura en de isla.", "literatura del de isla.", "literatura e de isaac.", "literatura de de isla.", "literatura y de isla.", "literatura _ de isla."
"literatura de den islam." » "literatura de del islam.", "literatura de de islam.", "literatura de el islam.", "literatura de dean islam.", "literatura de des islam.", "literatura dde den islam.", "literatura dy den islam.", "literatura d_ den islam."

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