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