Perhaps you should try some spelling variations:
abierta y » abierta de, abierta en
del prado » del pasado
500 del » 1900 del, 2005 del, 2008 del
a 1860 » la 1860, a 1850, a 1820
r 1880 » a 1880, r 1881, r 1882
y 500 » a 500, y 50, y 5.0
16 de » 1 de, 12 de, 17 de
mar r » mar a, mar y
1 16 » 1 1, 1 15, 1 10

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( Cabildo abierta y 500 del prado a 1860 ) OR ( Cabildo abiertas 1 16 de mar r 1880 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abierta y 500 del prado a 1860 ) OR ( Cabildo abiertas 1 16 de mar r 1880 ))*.