Perhaps you should try some spelling variations:
nam thuoc » nam thu, nha thuoc, cay thuoc
nam thuc » am thuc, nam thu, nam tu
dia danh » dia ban, gia dinh
va danh » va dinh, va dan, va hanh
ky dang » ky nang, ky danh
dang ma » dang mau, dang mam, dang mat
hieu le » hieu ve, hieu he, hieu ly
su sac » su sach, su cac, su xac
di cua » dai cua, doi cua, de cua
sac ky » cac ky, sai ky

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 dang ma hoa. hieu le ((nam thuc) OR (nam thuoc)) ((va danh) or (dia danh)) di cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky dang ma hoa. hieu le ((nam thuc) OR (nam thuoc)) ((va danh) OR (dia danh)) di cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky dang ma hoa. hieu le ((nam thuc) OR (nam thuoc)) ((va danh) or (dia danh)) di cua vat".
• Adding a wildcard symbol may retrieve word variants: su sac ky dang ma hoa. hieu le ((nam thuc) OR (nam thuoc)) ((va danh) or (dia danh)) di cua vat*.