Perhaps you should try some spelling variations:
aborto a » aborto y, aborto _, aborto en
de marco » de marzo, el marco, de maria
a 1821 » 1 1821, a 1820, a 1827
15 de » 1 de, 12 de, 17 de
de 11 » de 15, de 13, de 16
de 10 » de 120, de 100, de 15
10 de » 12 de, 30 de, 17 de
mar a » mar y
a 15 » al 15, 1 15, a 10

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 aborto a 15 de marco de 11 ) OR ( Cabildo abierta de 10 de mar a 1821 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo aborto a 15 de marco de 11 ) OR ( Cabildo abierta de 10 de mar a 1821 ))*.