Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
dong doanh » dung doanh, trong doanh, doanh doanh
hanh tong » hanh trong, han tong, hanh dong
tong quan » thong quan, tong luan, luong quan
quan hang » quan hoang, quan lang, quan hanh
hang dong » hang nong, hang cong, hanh dong
nhan cau » nhanh cau, phan cau, nhan sau

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 (chieu sang)) - hanh tong quan hang dong doanh nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - hanh tong quan hang dong doanh nhan cau*.