Perhaps you should try some spelling variations:
"literatura o de islam." » "literatura a de islam.", "literatura con de islam.", "literatura de de islam.", "literatura o de isla.", "literatura o e islam.", "literatura o de ilam.", "literatura y de islam."
"literatura e del islam." » "literatura de del islam.", "literatura en del islam.", "literatura del del islam.", "literatura e el islam.", "literatura 5e del islam.", "literatura y del islam."
"literatura _ de islam." » "literatura _ de isla.", "literatura _ e islam.", "literatura _ de ilam."

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 o de islam.") OR ("literatura e del islam."))) OR ("literatura _ de islam."))~.
• Removing quotes may allow a broader search: (((( literatura o de islam. ) or ( literatura e del islam. ))) or ( literatura _ de islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura o de islam.") or ("literatura e del islam."))) or ("literatura _ de islam."))*.