Perhaps you should try some spelling variations:
thuoc dang » thuoc dung, thuoc khang, thuc dan
dang hanh » dang thanh, ban hanh, dang van
ky dang » ky nang, ky danh
dang ma » dang mau, dang mam, dang mat
va nam » van nam, ha nam, va nay
vi cua » vai cua, di cua
vu san » vu ban
ma hoi » mai hoi, xa hoi, ma hoa
va san » va ban
cua te » cua tu
le na » le nam, le va, le ta

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu san) OR (va san)) ky dang ma hoi. hieu ((va nam) OR (le na)) thuoc dang hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu san) OR (va san)) ky dang ma hoi. hieu ((va nam) or (le na)) thuoc dang hanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: ((vu san) OR (va san)) ky dang ma hoi. hieu ((va nam) or (le na)) thuoc dang hanh vi cua te*.