Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
hanh tang » hanh trang, anh tang, hanh mang
dang cong » dung cong
sang than » cang thang, dang thanh, sang tao
tang cua » mang cua, hang cua, tang luan
cua dang » cua cong, cua ban
san than » san thanh, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo tieu)) sach - hanh tang cua dang cong ((san than) OR (sang than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - hanh tang cua dang cong ((san than) OR (sang than)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo tieu)) sach - hanh tang cua dang cong ((san than) OR (sang than)) ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) sach - hanh tang cua dang cong ((san than) OR (sang than)) ban*.