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

You may be able to get more results by adjusting your search query.

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