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