Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
tam nhung » tham nhung, cam nhung, lam nhung
nam nhung » cam nhung, tham nhung, va nhung
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan

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 - ((thanh trung) or (thanh tung)) ((tam nhung) OR (nam nhung)) cong doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((thanh trung) OR (thanh tung)) ((tam nhung) OR (nam nhung)) cong doan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((thanh trung) or (thanh tung)) ((tam nhung) OR (nam nhung)) cong doan phan tu".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((thanh trung) or (thanh tung)) ((tam nhung) OR (nam nhung)) cong doan phan tu*.