Perhaps you should try some spelling variations:
"literatura deln e isaac." » "literatura del e isaac.", "literatura de e isaac.", "literatura en e isaac.", "literatura deln en isaac.", "literatura deln _ isaac.", "literatura deln c isaac."
"literature arab e isela." » "literatura arabe e isela.", "literature early e isela.", "literatura para e isela.", "literature arab e isla.", "literature arab e isolda.", "literature arabe e isela.", "literature arab _ isela.", "literature arabes e isela."
"literatura y de isaac." » "literatura y den isaac.", "literatura y d_ isaac.", "literatura y dc isaac."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("literatura deln e isaac.") or ("literatura y de isaac."))) or ("literature arab e isela."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura deln e isaac.") OR ("literatura y de isaac."))) OR ("literature arab e isela.")).
• Removing quotes may allow a broader search: (((( literatura deln e isaac. ) or ( literatura y de isaac. ))) or ( literature arab e isela. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura deln e isaac.") or ("literatura y de isaac."))) or ("literature arab e isela."))*.