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