Perhaps you should try some spelling variations:
hieu suat » hieu luat, hieu qua
tang dai » tang tai, tang dan, lang dai
suat lam » suat lao, suat va, luat lao
ky tang » ky nang, ky dang, kho tang
dai moi » doi moi, dai hoi
lam xuc » cam xuc, lam duoc
va hanh » van hanh, va thanh, ban hanh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua
cua cu » cua chu, cua cau, cua su

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 tang dai moi. hieu suat lam xuc va hanh vi cua cu~.
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang dai moi. hieu suat lam xuc va hanh vi cua cu*.