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