Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cuc phuong » cac phuong, cuu phuong, cua phuong
tranh cuc » tranh cuoc, tranh cua, tranh cac
tich toan » tinh toan, tich than, trinh toan
hach toan » thanh toan, manh toan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - canh tranh cuc phuong cong ((tich toan) OR (hach toan)) cau~.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - canh tranh cuc phuong cong ((tich toan) or (hach toan)) cau*.