Perhaps you should try some spelling variations:
de covarianza » de varianza
covarianza de » carranza de, crianza de
de massas » de masas
massas y » masas y, massa y, masivas y
y 1887 » a 1887, y 1787, y 1886
y 12 » y 122, y 2, 1 12
de 8 » de i, de c, de _

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 y 12 de covarianza de 8 ) OR ( Cabildo abierta _ 12 de massas y 1887 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo aborto y 12 de covarianza de 8 ) OR ( Cabildo abierta _ 12 de massas y 1887 ))*.