Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dang cong » dung cong
cong lang » cong vang, cong luong, cong quang
cua dang » cua cong, cua ban
lang van » dang van, tang van, hoang van
van hau » van ha, van hai, van dau

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) or (chinh sach)) - hanh tranh cua dang cong lang van hau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chinh sach)) - hanh tranh cua dang cong lang van hau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chinh sach)) - hanh tranh cua dang cong lang van hau*.