Perhaps you should try some spelling variations:
"literatura sabe de isaac." » "literatura isabel de isaac.", "literatura arabe de isaac.", "literatura sobre de isaac.", "literatura sabde de isaac.", "literatura saby de isaac.", "literatura sab_ de isaac."
"literature arab el islam." » "literatura arabe el islam.", "literature early el islam.", "literatura para el islam.", "literature arabe el islam.", "literature ajab el islam.", "literature aram el islam.", "literature arab el islas."
"literatura e de isla." » "literatura de de isla.", "literatura en de isla.", "literatura del de isla.", "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 sabe de isaac.") or ("literatura e de isla."))) or ("literature arab el islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura sabe de isaac.") OR ("literatura e de isla."))) OR ("literature arab el islam.")).
• Removing quotes may allow a broader search: (((( literatura sabe de isaac. ) or ( literatura e de isla. ))) or ( literature arab el islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura sabe de isaac.") or ("literatura e de isla."))) or ("literature arab el islam."))*.