Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
van hanh » van thanh, ban hanh, van anh
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 » va thanh, va danh, ban hanh
vai cua » dai cua, hai cua, lai cua
tu sac » tu sach, tu san, tu bac
su cam » su nam, su cao, su can
cua tu » cua tuc, cua su, cua cu

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) or (tu cac)) ky sang lai hoi. hieu su cam xuc ((va hanh) OR (van hanh)) vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu cac)) ky sang lai hoi. hieu su cam xuc ((va hanh) OR (van hanh)) vai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu cac)) ky sang lai hoi. hieu su cam xuc ((va hanh) OR (van hanh)) vai cua tu".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu cac)) ky sang lai hoi. hieu su cam xuc ((va hanh) OR (van hanh)) vai cua tu*.