Perhaps you should try some spelling variations:
literatura breve » literatura de, literatura en, literatura del
literatura es » literatura en, literatura e, literatura el
de islas » e islas, de islam, de isaias
breve e » breve de, breve en, breve el
e isaac » de isaac, en isaac, _ isaac
de isla » de isaac

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 breve e isaac. ) OR ( literatura es ((de isla) OR (de islas)). ))~.
• Adding a wildcard symbol may retrieve word variants: (( literatura breve e isaac. ) or ( literatura es ((de isla) or (de islas)). ))*.