Perhaps you should try some spelling variations:
literatura del » literatura de, literatura en
literatura el » literatura en, literatura de, literatura eslava
literatura e » literatura de, literatura en
un islam » el islam, al islam, _ islam
e islam » el islam, e islas, del islam
e isla » e islas, de isla, e isela

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( literatura e ((e islam) or (un islam)). ) or ( ((literatura el) OR (literatura del)) e isla. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( literatura e ((e islam) OR (un islam)). ) OR ( ((literatura el) OR (literatura del)) e isla. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( literatura e ((e islam) or (un islam)). ) or ( ((literatura el) OR (literatura del)) e isla. ))".
• Adding a wildcard symbol may retrieve word variants: (( literatura e ((e islam) or (un islam)). ) or ( ((literatura el) OR (literatura del)) e isla. ))*.