Perhaps you should try some spelling variations:
abierto y » abierta y, abierto en, aborto y
aborto 1 » aborto y, aborto _, aborto a
17 de » 1 de, 12 de
13 de » 1 de, 12 de, 11 de
mar a » mar y
a 100 » a 10, a 300, a 500
1 17 » 1 1, 1 15, 1 10
y 10 » 8 10, 1 10, a 10
y 13 » y 3, v 13, 1 13

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 1 17 de autor y 10 ) OR ( Cabildo abierto y 13 de mar a 100 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo aborto 1 17 de autor y 10 ) OR ( Cabildo abierto y 13 de mar a 100 ))*.