Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
hanh trung » thanh trung, hanh trang, manh trung
cua thuong » cua truong, cua phuong, ca thuong
trung cua » truong cua, trung tuan, trung cap
dong danh » dong doanh, dong anh, dung danh
dong san » cong san, dong bang, dong von

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chiet tach) OR (chieu sach)) - hanh trung cua thuong ((dong danh) or (dong san)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chiet tach) OR (chieu sach)) - hanh trung cua thuong ((dong danh) OR (dong san)) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chiet tach) OR (chieu sach)) - hanh trung cua thuong ((dong danh) or (dong san)) van ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chiet tach) OR (chieu sach)) - hanh trung cua thuong ((dong danh) or (dong san)) van ban*.