Perhaps you should try some spelling variations:
"literatura breve de isaac." » "literatura de de isaac.", "literatura en de isaac.", "literatura del de isaac."
"literatura arte e isla." » "literatura arabe e isla.", "literatura entre e isla.", "literatura aurea e isla.", "literatura arte de isla.", "literatura arte en isla.", "literatura arte del isla.", "literatura arte e islas.", "literatura arte e islam."
"literatura arte _ isla." » "literatura arabe _ isla.", "literatura entre _ isla.", "literatura aurea _ isla."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("literatura breve de isaac.") or ((("literatura arte e isla.") OR ("literatura arte _ isla."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura breve de isaac.") OR ((("literatura arte e isla.") OR ("literatura arte _ isla.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"literatura breve de isaac.\") or (((\"literatura arte e isla.\") OR (\"literatura arte _ isla.\"))))".
• Removing quotes may allow a broader search: (( literatura breve de isaac. ) or ((( literatura arte e isla. ) OR ( literatura arte _ isla. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura breve de isaac.") or ((("literatura arte e isla.") OR ("literatura arte _ isla."))))*.