Perhaps you should try some spelling variations:
sang tao » hang tai
tao khoi » tao hoi, thao khoa, lao khoa
cua viet » ca viet, hoa viet, cua dieu
nam thuc » nam thuoc, am thuc, nam thu
va danh » va dinh, va dan, dia danh
ky sang » ky nang, ky dang, ky tang
hieu he » hieu ve, hiem he, hieu le
va hanh » van hanh, va thanh, ban hanh
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
he nam » ha nam, nghe nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky sang tao khoi. hieu he nam thuc ((va hanh) or (va danh)) di ((cua viet) OR (cua vat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky sang tao khoi. hieu he nam thuc ((va hanh) OR (va danh)) di ((cua viet) OR (cua vat))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky sang tao khoi. hieu he nam thuc ((va hanh) or (va danh)) di ((cua viet) OR (cua vat))*".