The 1992 Vietnam Constitution was the first since its independence that recognized the “inviolability of personal privacy” in Article 21 (Constitute Project, “Viet Nam’s Constitution of 1992 with Amendments through 2013”).

https://www.constituteproject.org/constitution/Socialist_Republic_of_Vietnam_2013.pdf?lang=en https://constitutionnet.org/country/constitutional-history-vietnam