Perhaps you should try some spelling variations:
"literatura del c islam." » "literatura en c islam.", "literatura del e islam.", "literatura del _ islam.", "literatura del el islam.", "literatura del v islam."
"literatura del _ islas." » "literatura en _ islas."
"literatura de v islam." » "literatura de e islam.", "literatura de _ islam.", "literatura de el islam.", "literatura del v islam.", "literatura de vi 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 del c islam.") OR ("literatura de v islam."))) OR ("literatura del _ islas."))~.
• Removing quotes may allow a broader search: (((( literatura del c islam. ) or ( literatura de v islam. ))) or ( literatura del _ islas. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura del c islam.") or ("literatura de v islam."))) or ("literatura del _ islas."))*.