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