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
dung cong » dung trong
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

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)) dung cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh ((tang quan) OR (tong quan)) dung cong san than cap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((tang quan) or (tong quan)) dung cong san than cap*.