Perhaps you should try some spelling variations:
"literatura arabe del islam." » "literatura breve del islam.", "literatura e del islam.", "literatura al del islam.", "literatura arabes del islam.", "literatura arabe de islam.", "literatura arabe el islam."
"literatura en de isla." » "literatura espana de isla.", "literatura en de isaac."
"literatura de de isla." » "literatura de de isaac.", "literatura de fe isla.", "literatura de di isla."

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 del islam.") or ((("literatura en de isla.") OR ("literatura de de isla."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura arabe del islam.") OR ((("literatura en de isla.") OR ("literatura de de isla.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"literatura arabe del islam.\") or (((\"literatura en de isla.\") OR (\"literatura de de isla.\"))))".
• Removing quotes may allow a broader search: (( literatura arabe del islam. ) or ((( literatura en de isla. ) OR ( literatura de de isla. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura arabe del islam.") or ((("literatura en de isla.") OR ("literatura de de isla."))))*.