Perhaps you should try some spelling variations:
abierto 9 » abierto y, abierto en, abierto al
a barbara » y barbara, al barbaro, a barbero
abierta 9 » abierta y, abierta a, abierta 5
mar de » mar del
9 11 » v 11
11 a » 11 la, 1 a, 11 9
m 20 » 1 20, 3 20, _ 20
9 12 » 1 12, _ 12, v 12

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 abierto 9 11 a barbara m 20 ) OR ( Cabildo abierta 9 12 de mar de 1837 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abierto 9 11 a barbara m 20 ) OR ( Cabildo abierta 9 12 de mar de 1837 ))*.