Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
dong luan » dung luan, tong luan, dong xuan
ho chieu » hoc thieu, doi chieu, mot chieu
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
ha dong » hoat dong, van dong

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 (ho chieu)) sach - ha dong luan chung cong ty ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - ha dong luan chung cong ty ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) sach - ha dong luan chung cong ty ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sach - ha dong luan chung cong ty ((toan cau) OR (toan cao))*.