Perhaps you should try some spelling variations:
chat duc » chat xuc, chat doc, chet duoc
hanh vai » hanh vi, hanh va, hanh tai
lai hoi » dai hoi, lai hoa, lai roi
hieu su » hieu sau, tieu su, hieu so
su chat » su phat, du chat, so chat
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
sai ky » sac ky
cua te » cua tu

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

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