Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trang » thanh trung, canh tranh, hanh trinh
dong doanh » dung doanh, trong doanh, doanh doanh
va phuong » va thuong, cac phuong
cong doan » cong dan, cong hoan, cong san
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va thuong, he thong, va cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - hanh trang ((va thong) or (va phuong)) ((cong doan) or (dong doanh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh trang ((va thong) OR (va phuong)) ((cong doan) OR (dong doanh)) van ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh trang ((va thong) or (va phuong)) ((cong doan) or (dong doanh)) van ban*.