To those who keep on asking:
The reason that Vietjet is not hiring even if they got a million routes being considered for expansion PROBABLY (did I say PROBABLY already?) is because they are negotiating for a WET LEASE agreement (incl cabin crew) with Air Philippines of 3x A320s.
As always, the last stumbling block is the PRICE. Dr. Hung just met up with Ramon Ang last Monday to negotiate this