Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
mot chieu » doi chieu
hanh tang » hanh trang, anh tang, hanh mang
cua khong » hua khong, cua phuong, cua thuong
ho chieu » theo chieu, hoc thieu, doi chieu
doc hieu » toc thieu, hoc thieu, hoc hien
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
san than » sang than, san thanh, ban than
than cao » toan cao, thai cao, than cap

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