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
toan cau » toan ban, toan tap, toan tai
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: ho chieu xanh - ((canh dan) or (canh van)) cua thuong cong san ((toan cau) OR (toan cao))~.
• 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 cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((canh dan) or (canh van)) cua thuong cong san ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((canh dan) or (canh van)) cua thuong cong san ((toan cau) OR (toan cao))*.