Perhaps you should try some spelling variations:
"literatura en de islam." » "literatura espana de islam.", "literatura deln de islam.", "literatura en del islam.", "literatura en de isla.", "literatura en e islam."
"literatura e de islam." » "literatura del de islam.", "literatura e del islam.", "literatura e de isla.", "literatura e e islam.", "literatura y de islam.", "literatura _ de islam.", "literatura o de islam."
"literatura de de islam." » "literatura de del islam.", "literatura de de isla.", "literatura de e islam.", "literatura de fe islam.", "literatura de di islam.", "literatura dy de islam.", "literatura d_ de islam.", "literatura do de 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 de de islam.") or ((("literatura e de islam.") OR ("literatura en de islam."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura de de islam.") OR ((("literatura e de islam.") OR ("literatura en de islam.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"literatura de de islam.\") or (((\"literatura e de islam.\") OR (\"literatura en de islam.\"))))".
• Removing quotes may allow a broader search: (( literatura de de islam. ) or ((( literatura e de islam. ) OR ( literatura en de islam. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura de de islam.") or ((("literatura e de islam.") OR ("literatura en de islam."))))*.