Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang luan » dung luan
tang luan » dung luan
van cong » van dong, van phong, phan cong
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than ban » thanh ban, toan ban, than man

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) or (chieu sang)) - hanh ((hang luan) or (tang luan)) van cong tan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (chieu sang)) - hanh ((hang luan) OR (tang luan)) van cong tan than ban.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (chieu sang)) - hanh ((hang luan) or (tang luan)) van cong tan than ban*.