[2] The family has roots in the state of Mato Grosso in Brazil and in the town of Roboré in the Chiquitos Province, where Vaca lived for a time as a child with her grandmother Pilar Flores, a Chiquitana schoolteacher.
She later moved to Chile to undertake graduate studies,[4] culminating in a doctorate project focusing on oral memory in the Chiquitana ecoregion of Bolivia.
The pair have collaborated in creating and leading workshops in Santiago de Chile, Santa Cruz, and La Paz that combine the exploration of literature and meditative practices.
[4] Versos de Agua (El País, 2008) Como vuelan las mariposas (La Hoguera, 2013) Incendio en el agua (Editorial 3600, 2018) Pasaporte (Andesgraund, 2019) Pasaporte de un eLector: poemario para escribir (La Hoguera, 2019) Diálogos del silencio (La Hoguera, 2017) El libro es un territorio y el lector un habitante (Universidad Alberto Hurtado-Chile and Museo de Historia UAGRM, 2019) Crónicas de lectores (Ediciones Étcetera, Chile), Ethos Lector (Botella al Mar-Uruguay and UAH-Chile) Vaca's poetry collection Como vuelan las mariposas was designated a 2013-2014 Recommended Book by the Academia Boliviana de Literatura Infantil y Juvenil.
[5] Vaca was the first woman from Santa Cruz to be inducted into the Academia Boliviana de Literatura Infantil y Juvenil, a national nonprofit institution for the preservation and research of literature written for children and adolescents in Bolivia.