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

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