How long does it take to get from Foshan to Vietnam? How to go by car, how much money?

From Dongguan - Qingxi Bus Terminal walk to Dongguan Qingxi Bus Terminal to take a long-distance bus: Dongguan Qingxi Bus Terminal - Foshan Bus Station (sit 2 stops) to Foshan Bus Station walk to Foshan City Bus Terminal to transfer to Chancheng - Gao Ming direct line (sit 1 stop) to the Gao Ming Bus Station Terminal. Ticket price of about 90 yuan, three and a half hours or so