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