basic phrases
- ‧hello / hi
- ‧goodbye
- ‧thank you
- ‧you are welcome
- ‧sorry
- ‧no problem
- dạ/vâng‧yes
- ‧no
- làm‧please
- ‧how are you?
- ‧I'm fine
- ‧I don't understand
- ‧I don't know
- buổisáng‧good morning
- buổichiều‧good afternoon
- buổitối‧good evening
- hẹngặp‧see you again
- chúcngủngon‧good night
- đượcrồi‧alright / ok