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 del e isaac." » "literatura de e isaac.", "literatura en e isaac.", "literatura del de isaac.", "literatura del en isaac.", "literatura del _ isaac.", "literatura del v isaac.", "literatura del c isaac."
"literatura e de isla." » "literatura de de isla.", "literatura en de isla.", "literatura e de isaac.", "literatura y de isla.", "literatura _ de isla."

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