Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
thanh dung » thanh duong, thanh tung, thanh hung
cho bang » cao bang, cho hang, cho ban
cong dan » cong san, cong tan, huong dan
choi dan » hoi dan, hoa dan, hoc dan

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 sang - thanh dung cho bang ((cong dan) or (choi dan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - thanh dung cho bang ((cong dan) OR (choi dan)) van ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - thanh dung cho bang ((cong dan) or (choi dan)) van ban*.