How to say these two letters Ă & Â and their dipthongs (OĂ & UÂ)

Southern Accent - Hi I'm back with a long-waited video. this is also the part 3 to the seris Vietnamese dipthongs. I hope you learn sth from it. The video I mentioned at the end:    • How to say words starting with c/k/kh cons...   SUPPORT MY WORK: https://www.buymeacoffee.com/CindyNguyen