Perhaps you should try some spelling variations:
"literatura en de islam." » "literatura de de islam.", "literatura espana de islam.", "literatura en del islam.", "literatura en de isla.", "literatura en e islam."
"literatura ha de ilam." » "literatura a de ilam.", "literatura de de ilam.", "literatura e de ilam.", "literatura ha de chilam.", "literatura la de ilam."
"literatura _ de islam." » "literatura _ del islam.", "literatura _ de isla.", "literatura _ e islam."

You may be able to get more results by adjusting your search query.

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