Perhaps you should try some spelling variations:
dang thuong » hang thuong, dung thuong, dong thuong
nang huong » nang thuong, nang luong, hang thuong
hien xanh » hien hanh, hien nhanh, chieu xanh
ban thanh » ban hanh, ban hang
thanh ban » thanh san, thanh van, thanh bac
ban cong » bang cong, van cong, phan cong
cong ban » cong bang, cong san, cong tan

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: hoc hien xanh - ((nang huong) OR (dang thuong)) cua ban cong ban thanh ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((nang huong) or (dang thuong)) cua ban cong ban thanh ban*.