Perhaps you should try some spelling variations:
literatura es » literatura el, literatura del, literatura ele
literatura en » literatura de, literatura espana
literatura e » literatura de, literatura del
un islam » el islam, e islam, al islam
en isaac » e isaac, de isaac, _ isaac
en lam » en ilam, en las, en lan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( literatura e ((en lam) OR (un islam)). ) OR ( ((literatura es) OR (literatura en)) en isaac. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( literatura e ((en lam) or (un islam)). ) or ( ((literatura es) OR (literatura en)) en isaac. ))~".
• Adding a wildcard symbol may retrieve word variants: (( literatura e ((en lam) or (un islam)). ) or ( ((literatura es) OR (literatura en)) en isaac. ))*.