Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
ban thanh » ban hanh, ban hang
thien van » thi van
nam thuoc » nam thuc, nam thu, nha thuoc
lam duoc » nam duoc, luat duoc, lam thuoc
van cua » vang cua, ban cua, dan cua
ky dung » ly dung, ky dang, ky vung
dung he » dung cho
so sac » so sach
he hoi » le hoi, me hoi, he moi
so dac » so dan
cua tu » cua tuc, cua su, cua cu

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 dac)) ky dung he hoi. thien van ((lam duoc) or (nam thuoc)) ban thanh van cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sac) OR (so dac)) ky dung he hoi. thien van ((lam duoc) OR (nam thuoc)) ban thanh van cua tu.
• Adding a wildcard symbol may retrieve word variants: ((so sac) or (so dac)) ky dung he hoi. thien van ((lam duoc) or (nam thuoc)) ban thanh van cua tu*.