Perhaps you should try some spelling variations:
duong thanh » dong thanh, muong thanh, luong thanh
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh huong » thanh huong, anh huong, manh huong
thanh toan » thanh hoa, thanh san, tinh toan
cua dang » cua ban
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: theo chieu xanh - hanh huong ((cua cong) or (cua dang)) duong thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh huong ((cua cong) OR (cua dang)) duong thanh toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh huong ((cua cong) or (cua dang)) duong thanh toan cau*.