Perhaps you should try some spelling variations:
"literatura na el islam." » "literatura a el islam.", "literatura ni el islam.", "literatura en el islam.", "literatura ana el islam.", "literatura va el islam.", "literatura da el islam."
"literatura de en islam." » "literatura de un islam.", "literatura de en ilam.", "literatura de en isla.", "literatura de el islam.", "literatura fe en islam."
"literatura as e islam." » "literatura as e islas.", "literatura as del 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 na el islam.") OR ("literatura as e islam."))) OR ("literatura de en islam."))~.
• Removing quotes may allow a broader search: (((( literatura na el islam. ) or ( literatura as e islam. ))) or ( literatura de en islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura na el islam.") or ("literatura as e islam."))) or ("literatura de en islam."))*.