Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
van hanh » van thanh, ban hanh, van anh
va trien » va truyen, va thiet, va tuyen
thu bac » thu ban, thu bao, tho bac
nang ho » nang hoc, nang co, tang ho
va cham » va chat, va tham
duc van » duc va, duc tan, duc manh
bac ky » cac ky, ban ky, sac ky
ho hoi » hoc hoi, hoa hoi, hoi hoi
vi va » vi van, vai va, vu va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu bac ky nang ho hoi. lieu va cham duc van hanh vi va trien~.
• Adding a wildcard symbol may retrieve word variants: thu bac ky nang ho hoi. lieu va cham duc van hanh vi va trien*.