Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doanh luan » doanh nhan
hieu lang » chieu sang, hieu quang, nhieu tang
anh doanh » hanh doanh, anh danh, doanh doanh
luan han » luan hoan, luan phan, luan van
han cong » phan cong, hang cong, hanh cong
cong san » cong tac
san ban » sang ban, van ban, can ban
ban cau » bang cau, ban can, van cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) OR (hieu lang)) - anh doanh luan han cong san ban cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (hieu lang)) - anh doanh luan han cong san ban cau*".