Perhaps you should try some spelling variations:
"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 en e isaac." » "literatura de e isaac.", "literatura espana e isaac.", "literatura en de isaac.", "literatura en en isaac.", "literatura en _ isaac.", "literatura en el isaac."
"literatura y d_ isaac." » "literatura y de isaac.", "literatura y _ isaac.", "literatura y c isaac.", "literatura y d 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 en e isaac.") or ("literatura y d_ isaac."))) or ("literature arab e isela."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura en e isaac.") OR ("literatura y d_ isaac."))) OR ("literature arab e isela.")).
• Removing quotes may allow a broader search: (((( literatura en e isaac. ) or ( literatura y d_ isaac. ))) or ( literature arab e isela. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura en e isaac.") or ("literatura y d_ isaac."))) or ("literature arab e isela."))*.