Perhaps you should try some spelling variations:
"literatura arabes e isla." » "literatura arabe e isla.", "literatura arte e isla.", "literature arab e isla.", "literatura arabes e islas.", "literatura arabes e islam.", "literatura 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 y de isla." » "literatura y de isaac.", "literatura y de islas.", "literatura y de islam.", "literatura y de isela."

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