Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » hanh chinh
toc chieu » toc thieu, doc hieu, hoc thieu
dang cong » dung cong
cua dang » cua cong, cua ban
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu xanh - ((canh tranh) or (hanh trinh)) cua dang cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - ((canh tranh) OR (hanh trinh)) cua dang cong san van ban.
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - ((canh tranh) or (hanh trinh)) cua dang cong san van ban*.