ProMods

After you made ProMods Afroeurasia Background Map, You can do ProMods Vietnam starting Phu Quoc-Ho Chi Minh City to complete Vietnam.

Vietnam Road Map:

No. I don't think there is no way we're going into, but this isn't Asian Truck Simulator. (since ETS2 had Asian map mods, I guess.)

Terramaps might make Vietnam in the future, but not Promods