Perhaps you should try some spelling variations:
abierta y » abiertas 1, abierta en
1980 del » 1983 del, 1980 el, 1900 del
de 1980 » de 1930
del gas » de gas, del gasto, del ganso
a 1810 » a 1850, a 1820, a 1860
20 de » 2 de, 30 de, 24 de
mar a » mar y
y 20 » y 2, 1 20, 3 20

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 abierta de 1980 del gas _ 1860 ) OR ( Cabildo abierta y 20 de mar a 1810 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abierta de 1980 del gas _ 1860 ) OR ( Cabildo abierta y 20 de mar a 1810 ))*.