Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
bieu cua » hieu cua, ben cua, dien cua
dieu cua » dieu tra
thuoc va » thuc va, thuoc ma, thuong va
cau treo » cau theo, cau tren, cau triet
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
nang o » nang co, nang ho, nang ro
va cau » van cau, va cac, va dau
o hoi » co hoi, o hoc, o hai

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 nang o hoi. ((bieu cua) or (dieu cua)) nam thuoc va hanh va cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang o hoi. ((bieu cua) OR (dieu cua)) nam thuoc va hanh va cau treo.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang o hoi. ((bieu cua) or (dieu cua)) nam thuoc va hanh va cau treo*.