Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
nam thuoc » nam thu, nha thuoc, cay thuoc
thanh dai » thanh hai, thanh tai, thanh dat
nam thuc » nam thu, nam tu
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa

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 nang ma hoi. hieu ve ((((nam thuc) OR (nam thuoc))) or (am thuc)) danh thanh dai cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang ma hoi. hieu ve ((((nam thuc) OR (nam thuoc))) OR (am thuc)) danh thanh dai cua vat*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang ma hoi. hieu ve ((((nam thuc) OR (nam thuoc))) or (am thuc)) danh thanh dai cua vat*".