Perhaps you should try some spelling variations:
aborto a » aborto y, aborto _, aborto en
de marx » de marzo, de maria
a 1820 » a 1920, a 1850, a 1827
15 de » 1 de, 12 de, 11 de
en 10 » en 100, en 80, en 1
17 de » 1 de, 12 de
mar a » mar y
a 15 » al 15, 1 15, a 10
1 17 » 1 1, 1 15, 1 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 marx en 10 ) OR ( Cabildo abiertas 1 17 de mar a 1820 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo aborto a 15 de marx en 10 ) OR ( Cabildo abiertas 1 17 de mar a 1820 ))*.