Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tang quan » tang luan, nang quan, thong quan
tong quan » thong quan, tong luan, luong quan
dong cong » duong cong, dung cong, dang cong
sang than » cang thang, dang thanh, sang tao
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 sach - hanh ((tang quan) or (tong quan)) dong cong ((san than) OR (sang than)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh ((tang quan) OR (tong quan)) dong cong ((san than) OR (sang than)) cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh ((tang quan) or (tong quan)) dong cong ((san than) OR (sang than)) cap".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((tang quan) or (tong quan)) dong cong ((san than) OR (sang than)) cap*.