Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh doanh » hanh doanh, chinh doanh, doanh doanh
hung huong » nhung huong, hung vuong, dung huong
hien xanh » hien hanh, hien nhanh, chieu xanh
doanh lan » doanh luan, doanh ban, doanh van
lan hung » van hung, luan chung, lan phuong
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 sach)) - canh doanh lan hung huong dan ((toan cao) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (chieu sach)) - canh doanh lan hung huong dan ((toan cao) or (toan tap))*.