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