Perhaps you should try some spelling variations:
abierto al » abierta al, abierto ana, abierta a
de maria » de marzo, de marx
maria e » maria de, maria del
a 1820 » a 1920, a 1850, a 1827
e 1870 » de 1870, en 1870, fe 1870
a2 de » 2 de, 12 de, 22 de
mar a » mar y
al 30 » al 31
1 a2 » 1 2, 1 a, 1 12

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( Cabildo abiertas 1 a2 de mar a 1820 ) OR ( Cabildo abierto al 30 de maria e 1870 ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( Cabildo abiertas 1 a2 de mar a 1820 ) OR ( Cabildo abierto al 30 de maria e 1870 ))".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abiertas 1 a2 de mar a 1820 ) OR ( Cabildo abierto al 30 de maria e 1870 ))*.