Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh trang » hanh trang, thanh trang, cang thang
banh trang » hanh trang, ban trang, banh rang
dung cong » dung trong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
ho chieu » theo chieu, hoc thieu, doi chieu
phan dau » phan tu, hang dau
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - ((((canh trang) OR (canh tranh))) or (banh trang)) va dung cong doan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((((canh trang) OR (canh tranh))) OR (banh trang)) va dung cong doan phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((((canh trang) OR (canh tranh))) or (banh trang)) va dung cong doan phan dau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((((canh trang) OR (canh tranh))) or (banh trang)) va dung cong doan phan dau*.