As far as I can remember, we did learn some Chinese history because they have connections with Vietnam's history and culture. For example, the book briefly mentioned the Ming/Yuan dynasty as later they dominated Vietnam for short periods. read more
And ofc we dont learn/teach about xia or tang china history , most of time we learn about history of our owned like ly , tran , nguyen dynasty , vietnam civil war , e.t.c They do metion china some where but as i can remember it belong to world lectures. read more