Perhaps you should try some spelling variations:
"literatura del _ islam." » "literatura de _ islam."
"literatura el _ islam." » "literatura e _ islam.", "literatura de _ islam.", "literatura eslava _ islam."
"literatura en en islam." » "literatura de en islam.", "literatura espana en islam.", "literatura en el islam.", "literatura en e islam.", "literatura en un 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 _ islam.") OR ("literatura del _ islam."))) or ("literatura en en islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura el _ islam.") OR ("literatura del _ islam."))) OR ("literatura en en islam.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura el _ islam.\") OR (\"literatura del _ islam.\"))) or (\"literatura en en islam.\"))".
• Removing quotes may allow a broader search: (((( literatura el _ islam. ) OR ( literatura del _ islam. ))) or ( literatura en en islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura el _ islam.") OR ("literatura del _ islam."))) or ("literatura en en islam."))*.