Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
doanh luan » doanh nhan
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
dan luan » dung luan, tang luan, hang luan

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 - hanh tranh cua ((hang cong) OR (bang cong)) ((doanh luan) or (dan luan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh tranh cua ((hang cong) OR (bang cong)) ((doanh luan) OR (dan luan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh tranh cua ((hang cong) OR (bang cong)) ((doanh luan) or (dan luan)) ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh tranh cua ((hang cong) OR (bang cong)) ((doanh luan) or (dan luan)) ban*.