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
tao khoang » tao zhang
khoang cam » khoan cam, khoang cach, hoang cao
trung va » truong va, trung ha, trung tam
trang va » tran van, hang va
cong tao » cong tac, cong tan, cong bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - thanh ((trung va) OR (trang va)) phuong cong tao khoang cam~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh ((trung va) OR (trang va)) phuong cong tao khoang cam".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh ((trung va) OR (trang va)) phuong cong tao khoang cam*.