Perhaps you should try some spelling variations:
abierta a » 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
11 de » 12 de, 17 de
mar a » mar y
de 80 » del 80, de 8, de 0
a 11 » 9 11, a 10, v 11
y 1 » y 10, y 13, y 14

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 a 11 de mar a 1820 ) OR ( Cabildo abierta ((y 1) OR (8 10)) de marx de 80 ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( Cabildo abierta a 11 de mar a 1820 ) OR ( Cabildo abierta ((y 1) OR (8 10)) de marx de 80 ))".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abierta a 11 de mar a 1820 ) OR ( Cabildo abierta ((y 1) OR (8 10)) de marx de 80 ))*.