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