Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu voi » hieu moi, lieu voi, hieu loi
van hanh » van thanh, ban hanh, van anh
tran anh » tran manh, tuan anh, tran thanh
va hanh » va thanh, va danh, ban hanh
vu bac » vu bach, vu ban, xu bac
bac ky » cac ky, ban ky, sac ky
nang o » nang co, nang ho, nang ro
voi co » voi con, moi co, hoi co
co duc » co duoc, cao duc, do duc
di cua » dai cua, doi cua, de cua
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bac ky nang o hoi. hieu voi co duc ((va hanh) or (((van hanh) or (tran anh)))) di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bac ky nang o hoi. hieu voi co duc ((va hanh) OR (((van hanh) OR (tran anh)))) di cua triet.
• Adding a wildcard symbol may retrieve word variants: vu bac ky nang o hoi. hieu voi co duc ((va hanh) or (((van hanh) or (tran anh)))) di cua triet*.