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

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