The link includes the topic number that was correct when the quote was created, but the topic numbers seem to have changed, so the link is no good.
For posts I made myself, the edit button lets me look at the details of a link (including topic number). I don’t know how to look at those for posts by others, so the bad links by others are just bad links (rather than bad in a specific way).
When I edit that bad one, I see
[quote=“Vu Tran Anh, post:1, topic:32298, username:tav9122”]