Perhaps you should try some spelling variations:
"literatura breve de isaac." » "literatura en de isaac.", "literatura del de isaac."
"literatura e y islam." » "literatura en y islam.", "literatura del y islam.", "literatura e e islam.", "literatura e _ islam.", "literatura e el islam.", "literatura fe y islam.", "literatura es y islam.", "literatura de y islam."
"literatura de de isaac." » "literatura de fe isaac.", "literatura de di isaac."

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

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