Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, hieu cach
chieu xanh » chieu sang, chieu tinh, hieu manh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh tin » trinh tin, trang tin, thanh tinh
dung cong » dung trong
dan thanh » dang thanh, danh thanh, ban thanh
thanh ban » thanh san, thanh van, thanh bac
cong dan » cong san, cong tan, huong dan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((chieu sach) OR (chieu xanh))) OR (chinh sach)) - hanh tranh tin dung cong dan thanh ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((((chieu sach) OR (chieu xanh))) or (chinh sach)) - hanh tranh tin dung cong dan thanh ban~".
• Adding a wildcard symbol may retrieve word variants: doi ((((chieu sach) OR (chieu xanh))) or (chinh sach)) - hanh tranh tin dung cong dan thanh ban*.