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
bang cong » dang cong, bang song, hang cong
dung cong » dung trong
doan phan » doanh phan, toan phan, dan phan
tranh va » tranh van, trang va, trinh va
phan cau » phan dau, phan cac, phan tu

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 va ((bang cong) or (dung cong)) doan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh tranh va ((bang cong) OR (dung cong)) doan phan cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh tranh va ((bang cong) or (dung cong)) doan phan cau*.