Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va phuong, he thong, va cong
than man » than ma, thanh san, tran manh

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 tranh ((va thong) OR (va thuong)) cong thanh than man~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh tranh ((va thong) OR (va thuong)) cong thanh than man".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh ((va thong) OR (va thuong)) cong thanh than man*.