Perhaps you should try some spelling variations:
"literatura del de islam." » "literatura en de islam.", "literatura del del islam.", "literatura del de isla.", "literatura del e islam.", "literatura del dean islam."
"literatura el _ islam." » "literatura en _ islam.", "literatura e _ islam.", "literatura eslava _ islam."
"literatura de dele islam." » "literatura de del islam.", "literatura de el islam.", "literatura de deluze islam.", "literatura de deber islam."

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura el _ islam.") OR ("literatura del de islam."))) OR ("literatura de dele islam."))~.
• Removing quotes may allow a broader search: (((( literatura el _ islam. ) or ( literatura del de islam. ))) or ( literatura de dele islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura el _ islam.") or ("literatura del de islam."))) or ("literatura de dele islam."))*.