Perhaps you should try some spelling variations:
"literatura en del islam." » "literatura espana del islam.", "literatura en el islam."
"literatura _ de chilam." » "literatura _ de chillan.", "literatura _ de chile.", "literatura _ de china."
"literatura de de islam." » "literatura de de isla.", "literatura de e islam.", "literatura de de ilam.", "literatura de fe islam.", "literatura de di islam."

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