Perhaps you should try some spelling variations:
"literatura en de islam." » "literatura de de islam.", "literatura espana de islam.", "literatura en e islam.", "literatura en de ilam.", "literatura en de islas.", "literatura en de isaacm."
"literatura dy del islam." » "literatura de del islam.", "literatura d del islam.", "literatura del del islam.", "literatura dy el islam."
"literatura _ de isla." » "literatura _ de isaac."

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 isla.") or ("literatura dy del islam."))) or ("literatura en de islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura _ de isla.") OR ("literatura dy del islam."))) OR ("literatura en de islam.")).
• Removing quotes may allow a broader search: (((( literatura _ de isla. ) or ( literatura dy del islam. ))) or ( literatura en de islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura _ de isla.") or ("literatura dy del islam."))) or ("literatura en de islam."))*.