Perhaps you should try some spelling variations:
abierta y » abiertas 1, abierta de, abierta en
de marx » de mar, de marzo, de maria
6 mario » 3 mario, a mario, j mario
marx a » marx la, marx y, marx una
a 1860 » la 1860, a 1850, a 1869
a 1820 » a 1920, a 1850, a 1827
y 24 » y 2, y 4, 3 24
24 6 » 24 06, 4 6, 2 6

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 _ 12 de marx a 1860 ) OR ( Cabildo abierta y 24 6 mario a 1820 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abierta _ 12 de marx a 1860 ) OR ( Cabildo abierta y 24 6 mario a 1820 ))*.