Perhaps you should try some spelling variations:
literatura breve » literatura de, literatura en, literatura del
literatura al » literatura el, literatura del, literatura de
un islam » el islam, _ islam
al islam » el islam, del islam
e islam » el islam, e islas, del islam
y islas » e islas, a islas, de islas

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

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