Perhaps you should try some spelling variations:
"literatura breve de isaac." » "literatura en de isaac.", "literatura del de isaac.", "literatura brevde de isaac.", "literatura brevy de isaac.", "literatura brev_ de isaac."
"literatura e de isaac." » "literatura en de isaac.", "literatura del de isaac.", "literatura de de isaac.", "literatura y de isaac.", "literatura _ de isaac."
"literatura de del islam." » "literatura de el islam.", "literatura dde del islam.", "literatura dy del islam.", "literatura d_ del 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 e de isaac."))) or ("literatura de del islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura breve de isaac.") OR ("literatura e de isaac."))) OR ("literatura de del islam.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura breve de isaac.\") OR (\"literatura e de isaac.\"))) or (\"literatura de del islam.\"))".
• Removing quotes may allow a broader search: (((( literatura breve de isaac. ) OR ( literatura e de isaac. ))) or ( literatura de del islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura breve de isaac.") OR ("literatura e de isaac."))) or ("literatura de del islam."))*.