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