Perhaps you should try some spelling variations:
kho tang » cao tang
hanh vai » hanh vi, hanh va, hanh tai
dai hoi » dai hoc, dai moi
vai cua » dai cua, hai cua, lai cua
dai hai » dai han, dai tai, dai thao
sac kho » suc khoe, cac khoi, dac khoa
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
xuc va » duc va, tuc va, luc va
su cam » su cao, su can, su lam
su nam » sung nam
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 hai)). hieu ((su cam) OR (su nam)) xuc va hanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac kho tang ((dai hoi) OR (dai hai)). hieu ((su cam) OR (su nam)) xuc va hanh vai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac kho tang ((dai hoi) or (dai hai)). hieu ((su cam) OR (su nam)) xuc va hanh vai cua tu".
• Adding a wildcard symbol may retrieve word variants: tu sac kho tang ((dai hoi) or (dai hai)). hieu ((su cam) OR (su nam)) xuc va hanh vai cua tu*.