Perhaps you should try some spelling variations:
chua tre » chua tri, cua tre, chua trieu
kho tang » cao tang
hieu van » hieu va, thien van, lieu va
va chua » vua chua, ca chua, va chu
hanh va » hang va, hanh vi
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va
sac kho » suc khoe, cac khoi, dac khoa
cam duc » cam xuc, cao duc, pham duc
tu sac » tu sach, tu cac, tu san
ma hoi » mai hoi, ma hoa, me hoi

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 ((ma hoi) or (xa hoi)). ((hieu ve) or (hieu van)) cam duc va hanh va chua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac kho tang ((ma hoi) OR (xa hoi)). ((hieu ve) OR (hieu van)) cam duc va hanh va chua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac kho tang ((ma hoi) or (xa hoi)). ((hieu ve) or (hieu van)) cam duc va hanh va chua tre*.