Partyforumseasia
recommends this article from the Taipei Times, published on 21 January 2023:
https://www.taipeitimes.com/News/world/archives/2023/01/21/2003792965

Vietnam succession heats up after president’s ouster

CORRUPTION PURGE: The ouster of Nguyen Xuan Phuc opens the door for the Communist Party head to line up a successor and shut out rival reformist factions.