Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
doanh phan » doanh nhan, doanh thanh, doanh luan
doan phan » toan phan, dan phan, doanh nhan
tranh ve » trinh ve, thanh ve, tranh va
ve thong » he thong, va thong, ve phong

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 xanh) or (chieu sach)) - canh tranh ve thong thong ((doan phan) OR (doanh phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - canh tranh ve thong thong ((doan phan) OR (doanh phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sach)) - canh tranh ve thong thong ((doan phan) OR (doanh phan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - canh tranh ve thong thong ((doan phan) OR (doanh phan)) cau*.