Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh cua » doanh cua, manh cua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
dan chan » dan gian, van chat
van phan » van phong, van thanh, luan phan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh tranh cua dung cong ((((dan chan) OR (dan ca))) OR (van phan)) tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - canh tranh cua dung cong ((((dan chan) OR (dan ca))) or (van phan)) tu~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tranh cua dung cong ((((dan chan) OR (dan ca))) or (van phan)) tu*.