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