When expatviet first posted his #150 denying even the existence of the spousal TRC I looked at it quickly and wrote it off as not worthy of consideration, but since it has attracted attention from even the moderators, I took another look. Although his bio is a little confusing expatviet would seem to be a Viet Kieu. The bio says that he is living in Vietnam but the post is written in a way that leads me to think that at least for now, he is in the US. He makes repeated references to Vietnamese embassy outside of the country and the fact that they decline to give the spousal TRC. In a way this makes perfect sense as the embassy can grant a visa but how could it grant a residency card to someone who is in the US? You apply for a residency card where you are a resident. Whether they actually deny its existence or simply decline to deal with it, I do not know, but it does make sense that they would not be in a position to issue it.
Another evidence of his confusion, and ours as caused by him, is that he refers to the "The Hanoi Embassy staff" not being able to investigate the validity of work related TRC's. Someone should tell him that there is no Vietnamese embassy in Hanoi.
I suspect that he went to the Vietnamese Embassy in Washington DC and was told no TRC is available and now has extrapolated his being declined to the entire process.