Perhaps you should try some spelling variations:
"literatura el _ isaac." » "literatura del _ isaac.", "literatura en _ isaac.", "literatura de _ isaac.", "literatura enl _ isaac.", "literatura dell _ isaac."
"literatura o el islam." » "literatura a el islam.", "literatura _ el islam.", "literatura con el islam.", "literatura y el islam."
"literatura e un islam." » "literatura de un islam.", "literatura en un islam.", "literatura del un islam.", "literatura e e islam.", "literatura e al islam.", "literatura e _ islam.", "literatura es un 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 o el islam.") OR ((("literatura el _ isaac.") OR ("literatura e un islam."))))~.
• Removing quotes may allow a broader search: (( literatura o el islam. ) or ((( literatura el _ isaac. ) or ( literatura e un islam. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("literatura o el islam.") or ((("literatura el _ isaac.") or ("literatura e un islam."))))*.