Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
duoc van » duoc va, duc van, duoc ban
dao duoc » tao duoc, dao duc, da duoc
mai hoi » mai khoi, dai hoi, lai hoi
hanh di » hanh vi, hanh de, hang di
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
me hoi » le hoi
ve dao » de dao, va dao, ve bao
ma hoi » xa hoi, ma hoa, va hoi
di cua » dai cua, doi cua, de cua
vu sac » vu sach, vu san, va sac

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky nang ((((ma hoi) OR (me hoi))) or (mai hoi)). hieu ve dao duoc van hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang ((((ma hoi) OR (me hoi))) OR (mai hoi)). hieu ve dao duoc van hanh di cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky nang ((((ma hoi) OR (me hoi))) or (mai hoi)). hieu ve dao duoc van hanh di cua tre*".