Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu xanh » chieu sach, chieu sang, chieu tinh
cua phuong » cuu phuong, cuc phuong, luan phuong
ho chieu » theo chieu, hoc thieu, doi chieu
canh dai » can dai, canh dan, vanh dai
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » 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 dai cua phuong cong san toan cau~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh dai cua phuong cong san toan cau*.