Perhaps you should try some spelling variations:
kho tang » cao tang
dai thao » thi thao, dai han
dai hoi » dai hoc, dai hai, dai moi
va hanh » van hanh, va thanh, va danh
sac kho » suc khoe, cac khoi, dac khoa
su can » su van, su cao, tu can
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
tu sac » tu sach, tu cac, tu san
su cam » su nam, su cao, su lam
cua tu » cua tuc, cua su, cua cu

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