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