Perhaps you should try some spelling variations:
abiertas 1 » abiertas a, abiertas y, abiertas de
abierta 5 » abierta y, abierta a, abierta de
1988 del » 1983 del, 1986 del, 1988 de
1 1988 » 1 1918, 1 1983
2 1860 » 2 1868, a 1860, c 1860
mar 2 » mar 23, mar 24, mar y
mar a » mar y
5 12 » 05 12, _ 12, v 12

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 abiertas 1 1988 del mar 2 1860 ) OR ( Cabildo abierta 5 12 de mar a 1850 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abiertas 1 1988 del mar 2 1860 ) OR ( Cabildo abierta 5 12 de mar a 1850 ))*.