Perhaps you should try some spelling variations:
"literatura de fe islam." » "literatura de e islam.", "literatura de del islam.", "literatura de el islam."
"literatura de _l islam." » "literatura de el islam.", "literatura de al islam.", "literatura de _ islam."
"literatura _ de islam." » "literatura _ del islam.", "literatura _ de isla.", "literatura _ 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 de fe islam.") OR ("literatura de _l islam."))) OR ("literatura _ de islam."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura de fe islam.\") OR (\"literatura de _l islam.\"))) OR (\"literatura _ de islam.\"))*".
• Removing quotes may allow a broader search: (((( literatura de fe islam. ) OR ( literatura de _l islam. ))) OR ( literatura _ de islam. ))*.