Perhaps you should try some spelling variations:
del atlas » del atraso, del aula
atlas e » atlas de, atlas _, atlas a
20 del » 20 de, 10 del, 20 el
e 1940 » y 1940, 2 1940, e 1960
a 1870 » i 1870, c 1870, a 1850
de 20 » del 20, de 2, de 0
14 de » 1 de, 12 de, 17 de
mar a » mar y
1 14 » 1 1, 1 15, v 14

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 20 del atlas e 1940 ) OR ( Cabildo abiertas 1 14 de mar a 1870 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abierta de 20 del atlas e 1940 ) OR ( Cabildo abiertas 1 14 de mar a 1870 ))*.