Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh tang » hanh trang, anh tang, hanh mang
doc hieu » toc thieu, hoc thieu, hoc hien
tang cua » mang cua, hang cua, tang luan
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, cong dong
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (theo chieu)) sang - hanh tang cua dang ((cong dan) or (huong dan)) khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (theo chieu)) sang - hanh tang cua dang ((cong dan) OR (huong dan)) khan cap.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (theo chieu)) sang - hanh tang cua dang ((cong dan) or (huong dan)) khan cap*.