Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
hang hang » nang hang, cang thang, hung thang
dong bang » dong san
hang van » hoang van, hang va, dang van
cong san » cong tac
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - hang hang van ((dong bang) or (cong san)) van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hang hang van ((dong bang) OR (cong san)) van toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hang hang van ((dong bang) or (cong san)) van toan cao*.