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