Perhaps you should try some spelling variations:
kho tang » cao tang
chat duc » chat xuc, chat doc, chet duoc
hieu su » hieu sau, tieu su, hieu so
va hanh » van hanh, va thanh, va danh
lai hoi » lai hoa, lai roi, mai hoi
su chat » su phat, du chat, so chat
dai hoi » dai hoc, dai hai, dai moi
tu sai » tu bai, tu san, tu cai
vi cua » vai cua, di cua
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 sai ((ky nang) or (kho tang)) ((lai hoi) or (dai hoi)). hieu su chat duc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ((ky nang) OR (kho tang)) ((lai hoi) OR (dai hoi)). hieu su chat duc va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sai ((ky nang) or (kho tang)) ((lai hoi) or (dai hoi)). hieu su chat duc va hanh vi cua te*.