Perhaps you should try some spelling variations:
"literatura breve de isaac." » "literatura en de isaac.", "literatura del de isaac.", "literatura e de isaac."
"literatura de ix islam." » "literatura de el islam.", "literatura de e islam.", "literatura de al islam.", "literatura de ir islam.", "literatura de ex islam.", "literatura de im islam."
"literatura de ia islam." » "literatura de law islam.", "literatura de la isla.", "literatura de el islam.", "literatura de ida islam.", "literatura de ica islam.", "literatura de la islam."

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