Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, nhung don
vang thanh » van thanh, dang thanh, tang thanh
thanh chau » thanh cha, thanh cham, thanh chu
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu

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 cua ((nhung cong) or (hang cong)) vang thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh cua ((nhung cong) OR (hang cong)) vang thanh chau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh cua ((nhung cong) or (hang cong)) vang thanh chau*.