Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
cua nhung » va nhung
duong van » duong va, luong va, dang van
hanh ban » thanh ban, hang ban, hanh san
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh ban cua nhung ((cong san) or (duong van)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ban cua nhung ((cong san) OR (duong van)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ban cua nhung ((cong san) or (duong van)) toan cau*.