Perhaps you should try some spelling variations:
"literatura arabe e isaac." » "literatura breve e isaac.", "literatura e e isaac.", "literatura al e isaac.", "literatura arabes e isaac.", "literatura arabe de isaac.", "literatura arabe en isaac.", "literatura arabe _ isaac."
"literature arab y isla." » "literature early y isla.", "literatura para y isla.", "literatura arte y isla.", "literature arabe y isla.", "literature arab _ isla.", "literature arabes y isla.", "literature arab e isla."
"literatura de e isaac." » "literatura de de isaac.", "literatura de en isaac.", "literatura de _ isaac.", "literatura de el isaac.", "literatura de fe 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 arabe e isaac.") OR ("literatura de e isaac."))) or ("literature arab y isla."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura arabe e isaac.") OR ("literatura de e isaac."))) OR ("literature arab y isla.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura arabe e isaac.\") OR (\"literatura de e isaac.\"))) or (\"literature arab y isla.\"))".
• Removing quotes may allow a broader search: (((( literatura arabe e isaac. ) OR ( literatura de e isaac. ))) or ( literature arab y isla. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura arabe e isaac.") OR ("literatura de e isaac."))) or ("literature arab y isla."))*.