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