Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cong danh » cuong danh, cong thanh, cong khanh
hoc hieu » hoc hien, doc hieu, hoc dieu
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hieu) OR (hoc thieu)) lang - thanh trung cua dang ((cong danh) or (cong dan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (hoc thieu)) lang - thanh trung cua dang ((cong danh) OR (cong dan)) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) OR (hoc thieu)) lang - thanh trung cua dang ((cong danh) or (cong dan)) van ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) OR (hoc thieu)) lang - thanh trung cua dang ((cong danh) or (cong dan)) van ban*.