Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh doanh » hanh doanh, chinh doanh, doanh doanh
dung huong » dung thuong, dung phuong, dong huong
hien xanh » hien hanh, hien nhanh, hien khanh
doanh lan » doanh luan, doanh ban, doanh van
lan dung » van dung, dan dung, lan hung
toan cao » toan ban
toan tap » toan ban

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) OR (chieu xanh)) - canh doanh lan dung huong dan ((toan cao) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (chieu xanh)) - canh doanh lan dung huong dan ((toan cao) or (toan tap))*.