Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cua phuong » cuu phuong, cuc phuong, luan phuong
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
phan cau » phan dau, phan cac, phan lap
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 - thanh tung cua phuong cong san ((((phan cau) or (phan tu))) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh tung cua phuong cong san ((((phan cau) OR (phan tu))) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh tung cua phuong cong san ((((phan cau) or (phan tu))) or (toan cao))*.