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

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 ((e islam) OR (((un islam) OR (al islam)))). ) OR ( literatura es e isla. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( literatura e ((e islam) or (((un islam) OR (al islam)))). ) or ( literatura es e isla. ))~".
• Adding a wildcard symbol may retrieve word variants: (( literatura e ((e islam) or (((un islam) OR (al islam)))). ) or ( literatura es e isla. ))*.