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