Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dang song » nang song, dang cong, bang song
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cua dang » cua cong, cua ban
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than
ban hang » ngan hang

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 dang song ((dan toan) OR (((dan than) OR (ban hang)))) cau~.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh tranh cua dang song ((dan toan) or (((dan than) or (ban hang)))) cau*.