Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
thi chieu » thi chien, thi hieu, theo chieu
hanh tang » hanh trang, anh tang, hanh mang
cua trung » cua truong, xuan trung, cua nhung
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
san tan » van tan, san van, san tay
tan cao » toan cao, tao cao, tay cao

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 (thi chieu)) sach - hanh tang cua trung cong san tan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi chieu)) sach - hanh tang cua trung cong san tan cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi chieu)) sach - hanh tang cua trung cong san tan cao*.