Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
hang van » hoang van, hang va, dang van
ban hang » ngan hang
lam duoc » nam duoc, luat duoc, lam thuoc
ky dang » ky nang, ky danh
dang ha » dong ha, dung ha, lang ha
van cua » vang cua, ban cua, dan cua
thi van » thi lan, thi hanh, thi nang
so sac » so sach, so dac
sac ky » cac ky, sai ky
ha hoi » hoa hoi, ha noi, xa hoi
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sac ky dang ha hoi. ((thien van) OR (thi van)) ((lam duoc) or (nam thuoc)) ban hang van cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ky dang ha hoi. ((thien van) OR (thi van)) ((lam duoc) OR (nam thuoc)) ban hang van cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sac ky dang ha hoi. ((thien van) OR (thi van)) ((lam duoc) or (nam thuoc)) ban hang van cua te".
• Adding a wildcard symbol may retrieve word variants: so sac ky dang ha hoi. ((thien van) OR (thi van)) ((lam duoc) or (nam thuoc)) ban hang van cua te*.