Perhaps you should try some spelling variations:
"literatura del de isaac." » "literatura de de isaac.", "literatura en de isaac.", "literatura del dean isaac."
"literatura e del islam." » "literatura de del islam.", "literatura en del islam.", "literatura 5e del islam.", "literatura y del islam."
"literatura e el islam." » "literatura de el islam.", "literatura en el islam.", "literatura es el islam."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("literatura del de isaac.") or ((("literatura e del islam.") or ("literatura e el islam."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura del de isaac.") OR ((("literatura e del islam.") OR ("literatura e el islam."))))*.
• Removing quotes may allow a broader search: (( literatura del de isaac. ) or ((( literatura e del islam. ) or ( literatura e el islam. ))))*.