Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
hanh tang » hanh trang, anh tang, hanh mang
dong cong » duong cong, dung cong, dang cong
ho chieu » hoc thieu, doi chieu, mot chieu
tang cua » mang cua, hang cua, tang luan
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
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: ((ho chieu) or (theo chieu)) sach - hanh tang cua dong cong tan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - hanh tang cua dong cong tan than ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - hanh tang cua dong cong tan than ban*.