Perhaps you should try some spelling variations:
abierta y » abierta de, abierta en
de maria » de marzo, de marx
maria a » maria e, maria de, maria di
11 de » 12 de, 17 de, 16 de
mar a » mar y
31 de » 1 de, 30 de, 3 de
1 11 » 10 11, 15 11, 1 1
a 16 » al 16, 1 16, 3 16
y 31 » y 3, 1 31, y 1

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 abiertas 1 11 de mar a 16 ) OR ( Cabildo abierta y 31 de maria a 1850 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abiertas 1 11 de mar a 16 ) OR ( Cabildo abierta y 31 de maria a 1850 ))*.