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