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