Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
thanh moi » thanh loi, thanh hoa, thanh hai
ban thanh » ban hanh, ban hang
thuoc ban » thuoc tan, thuoc dang, thu ban
va trien » va truyen, va thiet, va tuyen
ky lang » ky dang, ky tang, tay lang
hieu va » hieu qua
moi va » hoi va, mai va, moi ve
te san » te ban, ke san, tu san
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te san ((ky lang) OR (ky nang)) ha hoi. ((hieu va) or (lieu va)) nam thuoc ban thanh moi va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ((ky lang) OR (ky nang)) ha hoi. ((hieu va) OR (lieu va)) nam thuoc ban thanh moi va trien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ((ky lang) OR (ky nang)) ha hoi. ((hieu va) or (lieu va)) nam thuoc ban thanh moi va trien".
• Adding a wildcard symbol may retrieve word variants: te san ((ky lang) OR (ky nang)) ha hoi. ((hieu va) or (lieu va)) nam thuoc ban thanh moi va trien*.