Perhaps you should try some spelling variations:
cong doanh » cong danh, cong doan, dong doanh
chieu sach » chinh sach, chiet tach, chieu sang
doanh phan » doanh nhan, doan phan, doanh thanh
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tong » hanh trong, han tong, hanh dong
tong luan » tang luan, dung luan, hang luan
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
phan dau » phan tu, hang dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (hieu lang)) - hanh tong luan hang cong doanh phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (hieu lang)) - hanh tong luan hang cong doanh phan dau*.