Perhaps you should try some spelling variations:
thuoc sac » thuoc sach, thuoc dac, thuoc sai
lang van » dang van, tang van, hoang van
vien cac » vien bach, vien dai, vien da
ky lang » ky nang, ky dang, ky tang
van hoi » van hoa, van hoc, van hoe
va cham » va chat, va tham
danh vi » hanh vi, dinh vi, danh di
ve cham » ve chat, vu cham, ve chim
va danh » va dinh, va dan, va hanh
vi cua » vai cua, di cua
cua te » cua tu
luc va » duc va, tuc va, loc va
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: thuoc sac ky lang van hoi. hieu ((((va cham) or (ve cham))) or (vien cac)) luc va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sac ky lang van hoi. hieu ((((va cham) OR (ve cham))) OR (vien cac)) luc va danh vi cua te*.