Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
chat duc » chat xuc, chat doc, chet duoc
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 su » hieu sau, tieu su, hieu suat
hieu so » thieu so
tu sai » tu bai, tu san, tu cai
cua te » cua tu
sai ky » sac ky
cua su » qua su

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

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