Perhaps you should try some spelling variations:
tang dai » tang tai, tang dan, lang dai
ky tang » ky nang, ky dang, kho tang
dai hoi » dai hoc, dai hai, dai moi
hieu su » hieu sau, tieu su, hieu so
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cua tuc » cua duc, cua thuoc, luat tuc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
su cam » su nam, su cao, su can
xuc va » duc va, tuc va, luc va
cua tu » cua su, cua cu, cua te

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 hoi. hieu su cam xuc va danh vi ((cua tu) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang dai hoi. hieu su cam xuc va danh vi ((cua tu) OR (cua tuc)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang dai hoi. hieu su cam xuc va danh vi ((cua tu) or (cua tuc))*.