Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
van quan » van ban
quan cao » quang cao, quan cau, quan ao

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: theo chu xanh - hanh tranh cua ((hang cong) OR (dang cong)) van quan cao~.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh tranh cua ((hang cong) or (dang cong)) van quan cao*.