Taking out 30,000 military, 100,000 civilians and 6 whole provinces wasn't enough. You still dream of Dai Viet
Lets see Vietnam try to pursue its aggressive ambitions in the South China Sea and against its neighbors Cambodia and Laos with China ready to do another 1979 spanking
When Vietnam recognizes its natural
subordinate position relative to China, we can get along, but every 30 years or so Vietnam gets itchy and starts dreaming about Dai Viet again. And Chinese soldiers can get some practice / exercise.