Perhaps you should try some spelling variations:
hieu suat » hieu luat, hieu qua
dang lai » dang loai, dang hai, dung lai
hanh vai » hanh vi, hanh va, hanh tai
chat xuc » chat huu, cam xuc, chao xu
va hanh » van hanh, va thanh, va danh
cua tuc » cua duc, cua tu, cua thuoc
hieu su » hieu sau, tieu su, hieu so
lai hoi » dai hoi, lai hoa, lai roi
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. ((hieu su) or (hieu suat)) chat xuc va hanh vai ((cua te) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ky dang lai hoi. ((hieu su) OR (hieu suat)) chat xuc va hanh vai ((cua te) OR (cua tuc)).
• Adding a wildcard symbol may retrieve word variants: tu dan ky dang lai hoi. ((hieu su) or (hieu suat)) chat xuc va hanh vai ((cua te) or (cua tuc))*.