Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhan dang » nhan dan, phan dang, tran dang
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
cua dung » cua dang, cua dong, qua dung
toan ban » van ban

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 - ((canh tranh) or (nhan dang)) cua dung cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((canh tranh) OR (nhan dang)) cua dung cong tinh toan ban*.