Perhaps you should try some spelling variations:
dung lai » dung tai, dung lam, dung sai
hieu sau » hieu su, hieu suat, tieu su
ky dung » ly dung, ky dang, ky vung
lai hoi » dai hoi, lai hoa, lai roi
sau cho » san cho, sang cho
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cho su » cho sua, cao su, cho cu
cua tu » cua tuc, cua su, cua cu
su va » su van, tu va

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

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