Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
hanh vai » hanh vi, hanh va, hanh tai
chat luc » chat xuc, chat lua, nhan luc
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
ky sang » ky nang, ky dang, ky tang
lai hoi » dai hoi, lai hoa, lai roi
hieu vu » hieu ve, hieu su, dieu vu
hieu va » lieu va, hieu qua
tu san » thu san, tu can, vu san
luc va » duc va, tuc va, loc va
cua te » cua tu
tu ban » thu ban, te ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu san) or (tu ban)) ky sang lai hoi. ((hieu vu) or (hieu va)) chat luc va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu ban)) ky sang lai hoi. ((hieu vu) OR (hieu va)) chat luc va hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu san) or (tu ban)) ky sang lai hoi. ((hieu vu) or (hieu va)) chat luc va hanh vai cua te*.