Found it from here
Travellers can unlock great savings with Vietjet’s Business ticket discounts. Enjoy an awesome 50% discount (excluding taxes and fees) on Business tickets on select >Australian and Indian routes by using the code BUSUMMER50 when booking for flights scheduled between 1 to 30 June. Alternatively, travellers can also use the code >BUSUMMER30 to avail a fantastic 30% discount (excluding taxes and fees) on Business tickets for all other international and domestic routes. The flight period for these >discounted tickets also extends from 1 to 30 June. (*)
These deals are also available on the newly launched route between Vietnam’s capital city of Hanoi and the captivating city of Hiroshima in Japan. This route marks the >airline’s eighth connection between the two countries and is the only direct air link between Hiroshima and Hanoi. Additionally, it is the first international service launched >from Hiroshima Airport after the global pandemic.
Business Class Inclusions:
• 18kg carry-on baggage
• 40kg of checked baggage and 01 (one) golf club set (if any)
• Access to luxury lounge (not applicable on domestic flights in Thailand, and at airports where there is no standard lounge service)
• Priority at check-in
• Baggage handling service privileges
• Priority at security checkpoints (depending on airport conditions and facilities)
• Private shuttle bus (applicable for boarding on ground; except those airports that do not provide shuttle bus service)
Look like a Bonza scheme