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