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