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