Perhaps you should try some spelling variations:
"literatura ma de islam." » "literatura mas de islam.", "literatura a de islam.", "literatura maya de islam.", "literatura ma de isla.", "literatura ma e islam.", "literatura ma de ilam.", "literatura ma del islam.", "literatura la de islam.", "literatura ha de islam."
"literatura _ del islam." » "literatura _ el islam."
"literatura _ de islam." » "literatura _ de isla.", "literatura _ e islam.", "literatura _ de ilam."

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