Perhaps you should try some spelling variations:
abierta y » abierta de, abierta en
de marx » de marzo, de maria
marx de » mar de, marco de, maria de
a 1820 » a 1920, a 1850, a 1827
10 de » 12 de, 30 de, 17 de
mar a » mar y
y 10 » 8 10, 1 10, a 10
1 02 » 11 02, 1 2, 1 12
5 2 » 5 23, 5 02, 5 21

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( Cabildo abierta y 10 de mar a 1820 ) OR ( Cabildo abierta ((5 2) OR (1 02)) de marx de 1880 ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( Cabildo abierta y 10 de mar a 1820 ) OR ( Cabildo abierta ((5 2) OR (1 02)) de marx de 1880 ))".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abierta y 10 de mar a 1820 ) OR ( Cabildo abierta ((5 2) OR (1 02)) de marx de 1880 ))*.