Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
dai moi » doi moi, dai hoi
hieu va » lieu va, hieu qua
cai hoi » cau hoi, dai hoi, cai hoa
tai cua » thai cua, tai cuc, tri cua
lai hoi » dai hoi, lai hoa, lai roi
va hanh » van hanh, va thanh, va danh
luc va » duc va, tuc va, loc va
su sac » su sach, su cac, su xac
va coc » va cuoc, va cac, va hoc
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang ((((cai hoi) or (lai hoi))) or (dai moi)). hieu va coc luc va hanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang ((((cai hoi) OR (lai hoi))) OR (dai moi)). hieu va coc luc va hanh tai cua te.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang ((((cai hoi) or (lai hoi))) or (dai moi)). hieu va coc luc va hanh tai cua te*.