Perhaps you should try some spelling variations:
chua triet » cua triet, chua thiet, chua trieu
thien van » thi van
nam truoc » nam thuoc, lam truoc, nam truc
nam thuc » nam thuoc, am thuc, nam thu
ky hang » ky nang, ly hang, ky dang
va hanh » van hanh, va thanh, va danh
hanh va » hanh vi
va chua » vua chua, ca chua, va chu
te sai » te tai, te bai, te lai
sai ky » sac ky
va hoi » xa hoi, va hoc, va hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky hang va hoi. thien van ((nam thuc) or (nam truoc)) va hanh va chua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky hang va hoi. thien van ((nam thuc) OR (nam truoc)) va hanh va chua triet.
• Adding a wildcard symbol may retrieve word variants: te sai ky hang va hoi. thien van ((nam thuc) or (nam truoc)) va hanh va chua triet*.