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