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