Perhaps you should try some spelling variations:
de marx » de marzo, de maria
marx de » mar de, marco de, maria de
a 1820 » a 1920, a 1850, a 1827
de 31 » de 1, de 30, de 11
31 de » 1 de, 30 de, 11 de
mar a » mar y
de 80 » del 80, de 8, de 0
y 10 » 8 10, 1 10, a 10
y 1 » y 13, y 14, y 16

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 de 31 de mar a 1820 ) OR ( Cabildo abierta ((y 1) OR (y 10)) de marx de 80 ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( Cabildo abierta de 31 de mar a 1820 ) OR ( Cabildo abierta ((y 1) OR (y 10)) de marx de 80 ))".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abierta de 31 de mar a 1820 ) OR ( Cabildo abierta ((y 1) OR (y 10)) de marx de 80 ))*.