Perhaps you should try some spelling variations:
tham thuoc » pham thuoc, tham thuc, nha thuoc
thuoc ban » thuoc tan, thuoc dang, thu ban
dang van » hoang van, hang va
ban hanh » ban hang
hanh vai » hanh vi, hanh va, hanh tai
ky dang » ky nang, ky danh
van hoi » van hoa, van hoc, van hoe
hieu va » hieu qua
vai hoa » van hoa, va hoa, dai hoa
tu sac » tu sach, tu cac, tu san
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: tu sac ky dang van hoi. ((hieu va) or (lieu va)) tham thuoc ban hanh vai hoa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang van hoi. ((hieu va) OR (lieu va)) tham thuoc ban hanh vai hoa viet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang van hoi. ((hieu va) or (lieu va)) tham thuoc ban hanh vai hoa viet*.