Perhaps you should try some spelling variations:
"literatura breve de isaac." » "literatura de de isaac.", "literatura en de isaac.", "literatura del de isaac."
"literatura urea e isla." » "literatura aurea e isla.", "literatura una e isla.", "literatura hebrea e isla.", "literatura urea de isla.", "literatura urea en isla.", "literatura urea e islas.", "literatura urea e islam."
"literatura area e isla." » "literatura aurea e isla.", "literatura arte e isla.", "literatura armenia e isla.", "literatura area e islas.", "literatura area de isla.", "literatura area e islam.", "literatura area en 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 breve de isaac.") or ((("literatura urea e isla.") or ("literatura area e isla."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura breve de isaac.") OR ((("literatura urea e isla.") OR ("literatura area e isla.")))).
• Removing quotes may allow a broader search: (( literatura breve de isaac. ) or ((( literatura urea e isla. ) or ( literatura area e isla. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura breve de isaac.") or ((("literatura urea e isla.") or ("literatura area e isla."))))*.