Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
chat xuc » chat huu, cam xuc, chao xu
cua duc » cua tuc, cua nuoc, cua quoc
va hanh » van hanh, va thanh, va danh
su chat » su phat, du chat, so chat
hieu su » hieu sau, tieu su, hieu so
lai roi » loi roi
lai hoi » dai hoi, lai hoa, mai hoi
ky dang » ky nang, ky danh
dan ky » van ky
xuc va » duc va, tuc va, luc va
cua te » cua tu
tu dan » tuc dan, tu ban, cu dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dan ky dang ((lai hoi) OR (lai roi)). hieu su chat xuc va hanh vai ((cua te) or (cua duc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ky dang ((lai hoi) OR (lai roi)). hieu su chat xuc va hanh vai ((cua te) OR (cua duc)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dan ky dang ((lai hoi) OR (lai roi)). hieu su chat xuc va hanh vai ((cua te) or (cua duc))".
• Adding a wildcard symbol may retrieve word variants: tu dan ky dang ((lai hoi) OR (lai roi)). hieu su chat xuc va hanh vai ((cua te) or (cua duc))*.