Perhaps you should try some spelling variations:
"literatura del _ islam." » "literatura en _ islam."
"literatura el _l islam." » "literatura en _l islam.", "literatura e _l islam.", "literatura eslava _l islam.", "literatura el el islam.", "literatura el al islam.", "literatura el del islam.", "literatura el _ islam.", "literatura el l islam."
"literatura de e islam." » "literatura de el islam.", "literatura de e islas.", "literatura de del islam.", "literatura de fe islam.", "literatura de _ islam."

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura de e islam.\") OR (\"literatura del _ islam.\"))) OR (\"literatura el _l islam.\"))~".
• Removing quotes may allow a broader search: (((( literatura de e islam. ) OR ( literatura del _ islam. ))) OR ( literatura el _l islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura de e islam.") OR ("literatura del _ islam."))) OR ("literatura el _l islam."))*.