Perhaps you should try some spelling variations:
thien van » thi van
nam thuoc » nam thu, nha thuoc, cay thuoc
nam thuc » am thuc, nam thu, nam tu
danh dai » danh dau, danh di, danh sai
va triet » va thiet, va trien, ve triet
va danh » va dinh, va dan, va hanh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
dai va » mai va
x hoi » xa hoi, o hoi, x ho

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 x hoi. thien van ((nam thuc) or (nam thuoc)) va danh dai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x hoi. thien van ((nam thuc) OR (nam thuoc)) va danh dai va triet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. thien van ((nam thuc) or (nam thuoc)) va danh dai va triet*.