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