Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
cua thuong » cua truong, cua phuong, ca thuong
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, doi chieu
canh dan » sanh dan, thanh dan, cac dan
canh van » anh van, can van, cach van
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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

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