Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
nam thuoc » nam thuc, nam thu, nha thuoc
lam duoc » nam duoc, luat duoc, lam thuoc
pho cua » cho cua, kho cua, tho cua
so sach » so sanh, bo sach, co sach
ky dong » ly dong, ky dang, ky cong
thi van » thi lan, thi hanh, thi nang
so sac » so dac
co hoi » co hoc, co loi
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) or (so sach)) ky dong co hoi. thi van ((lam duoc) or (nam thuoc)) ban thanh pho cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sac) OR (so sach)) ky dong co hoi. thi van ((lam duoc) OR (nam thuoc)) ban thanh pho cua te.
• Adding a wildcard symbol may retrieve word variants: ((so sac) or (so sach)) ky dong co hoi. thi van ((lam duoc) or (nam thuoc)) ban thanh pho cua te*.