Perhaps you should try some spelling variations:
thanh trung » thanh tung
chap thuong » chan thuong, phan thuong, pham thuong
chieu sach » chiet tach, chieu sang, chieu xanh
trung chap » trung cap, trung ha, tranh chap
cong thanh » dong thanh, cong trinh, cong tan
cong dan » cong san, cong tan, huong dan
chan cau » phan cau, can cau, chinh cau

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) OR (chinh sach)) - thanh trung chap thuong ((cong dan) or (cong thanh)) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - thanh trung chap thuong ((cong dan) OR (cong thanh)) chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chinh sach)) - thanh trung chap thuong ((cong dan) or (cong thanh)) chan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chinh sach)) - thanh trung chap thuong ((cong dan) or (cong thanh)) chan cau*.