Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
chieu xanh » chieu sach, chieu sang, chieu tinh
thang cong » thanh cong, thang long, thong cong
doi chieu » doc hieu, doi chi, ho chieu
thanh tra » thanh toan, thanh hoa
van thang » van thanh, van khang, van hang
trinh van » trinh han, trinh quan, trinh toan

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 - ((thanh tra) or (thanh thang)) van thang cong trinh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((thanh tra) OR (thanh thang)) van thang cong trinh van ban*.