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 en e isaac.", "literatura del de isaac.", "literatura del en isaac.", "literatura del _ isaac.", "literatura del v isaac.", "literatura del c isaac."
"literatura de de isla." » "literatura de de isaac.", "literatura de fe isla.", "literatura de di 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 de 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 de de isla."))) OR ("literature arab e isela.")).
• Removing quotes may allow a broader search: (((( literatura del e isaac. ) or ( literatura de de isla. ))) or ( literature arab e isela. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura del e isaac.") or ("literatura de de isla."))) or ("literature arab e isela."))*.