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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("literatura e de isaac.") or ((("literatura e e islas.") OR ("literatura e el islam."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura e de isaac.") OR ((("literatura e e islas.") OR ("literatura e el islam."))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"literatura e de isaac.\") or (((\"literatura e e islas.\") OR (\"literatura e el islam.\"))))*".
• Removing quotes may allow a broader search: (( literatura e de isaac. ) or ((( literatura e e islas. ) OR ( literatura e el islam. ))))*.