Perhaps you should try some spelling variations:
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
dang cong » dung cong
tran manh » tran minh, tran thanh, tran van
cua dang » cua cong, cua ban
cong san » cong tac
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 chiet tach - hanh trung cua dang cong san ((than ban) or (tran manh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chiet tach - hanh trung cua dang cong san ((than ban) OR (tran manh)).
• Adding a wildcard symbol may retrieve word variants: theo chiet tach - hanh trung cua dang cong san ((than ban) or (tran manh))*.