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