Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung dung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hanh dinh » thanh dinh, hinh dinh, hanh tinh
dinh cua » dinh cuu, sinh cua, dinh cu
van bay » van ban, van bao, van bac

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 - hanh dinh cua ((nhung huong) or (nhung cong)) van bay cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh dinh cua ((nhung huong) OR (nhung cong)) van bay cam*.