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