I am looking for the same thing, but from CXHolidays website, it's only for 2 people,a nd I'm alone...
Besides that, I was wondering if there was a way to get to Vietnam by train/coach??
It seems to me a colleague took the train from VN into China on his return to Germany last year. I don't know the details, but he had planned the trip for quite a while and really enjoyed himself - which is to say it should be possible.