Perhaps you should try some spelling variations:
"literatura el el islam." » "literatura del el islam.", "literatura en el islam.", "literatura e el islam.", "literatura es el islam."
"literatura de del islam." » "literatura de fel islam.", "literatura de dil islam."
"literatura de de isaac." » "literatura de fe isaac.", "literatura de di 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 el el islam.") or ((("literatura de del islam.") or ("literatura de de isaac."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura el el islam.") OR ((("literatura de del islam.") OR ("literatura de de isaac."))))*.
• Removing quotes may allow a broader search: (( literatura el el islam. ) or ((( literatura de del islam. ) or ( literatura de de isaac. ))))*.