Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
ky sang » ky nang, ky dang, ky tang
lai hoi » dai hoi, lai hoa, lai roi
hieu su » hieu sau, tieu su, hieu so
va hanh » van hanh, va thanh, va danh
vai cua » hai cua, lai cua, bai cua
tu bac » tu ban, tu bat, tu bai
su cam » su nam, su cao, su can
xuc va » duc va, tuc va, luc 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 bac) or (tu cac)) ky sang lai hoi. hieu su cam xuc va hanh ((vai cua) or (dai cua)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bac) OR (tu cac)) ky sang lai hoi. hieu su cam xuc va hanh ((vai cua) OR (dai cua)) tu.
• Adding a wildcard symbol may retrieve word variants: ((tu bac) or (tu cac)) ky sang lai hoi. hieu su cam xuc va hanh ((vai cua) or (dai cua)) tu*.