Perhaps you should try some spelling variations:
thanh trang » thanh trung, hanh trang, thanh thang
doi chieu » doi chi, ho chieu, mot chieu
dang cong » dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
than ban » thanh ban, toan ban, nhuan ban
than man » than ma, thanh san, tran manh
va dang » van dang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doc hieu)) tinh - thanh trang va dang cong dan ((than ban) or (than man))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) tinh - thanh trang va dang cong dan ((than ban) OR (than man)).
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doc hieu)) tinh - thanh trang va dang cong dan ((than ban) or (than man))*.