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 e islam." » "literatura de e islas.", "literatura de del islam.", "literatura de fe islam.", "literatura de _ islam.", "literatura de a islam."
"literatura de el islam." » "literatura de fel islam.", "literatura de _l islam.", "literatura de al 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 e islam.") OR ("literatura de el islam."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura breve de isaac.") OR ((("literatura de e islam.") OR ("literatura de el islam."))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"literatura breve de isaac.\") or (((\"literatura de e islam.\") OR (\"literatura de el islam.\"))))*".
• Removing quotes may allow a broader search: (( literatura breve de isaac. ) or ((( literatura de e islam. ) OR ( literatura de el islam. ))))*.