Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
cua khong » hua khong, cua phuong, cua thuong
tung cua » trung cua, tuong cua, dung cua
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cau » toan cau, phan cau, than cap
phan dau » phan tu, hang dau

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 tung cua khong ((cong dan) OR (cong san)) ((than cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh tung cua khong ((cong dan) OR (cong san)) ((than cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh tung cua khong ((cong dan) OR (cong san)) ((than cau) or (phan dau))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tung cua khong ((cong dan) OR (cong san)) ((than cau) or (phan dau))*.