Perhaps you should try some spelling variations:
su chao » su cao, sau chan
ky dang » ky nang, ky danh
dai hoi » dai hoc, dai hai
danh vi » hanh vi, dinh vi, danh di
dai moi » doi moi
va danh » va dinh, va dan, va hanh
vi cua » vai cua, di cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua te » cua tu
xu va » xu van, tu va, su va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky dang ((dai hoi) or (dai moi)). hieu ((su chao) or (su co)) xu va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang ((dai hoi) OR (dai moi)). hieu ((su chao) OR (su co)) xu va danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang ((dai hoi) or (dai moi)). hieu ((su chao) or (su co)) xu va danh vi cua te*.