Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, hieu cach
chieu xanh » chieu sang, chieu tinh, hieu manh
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((((chieu sach) or (chieu xanh))) or (chiet tach)) - hanh tranh cua nhung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((chieu sach) OR (chieu xanh))) OR (chiet tach)) - hanh tranh cua nhung cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: doi ((((chieu sach) or (chieu xanh))) or (chiet tach)) - hanh tranh cua nhung cong dan toan ban*.