Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
chinh cau » chinh chau, chinh ca, chinh can
cong dan » cong san, cong tan, huong dan
chan cau » phan cau, can cau, nhanh cau
ho kieu » ho lieu, so kieu, thi kieu
co lieu » cot lieu, co hieu, so lieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho kieu) or (co lieu)) tinh - thanh trung cua thong cong dan ((chan cau) OR (chinh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho kieu) OR (co lieu)) tinh - thanh trung cua thong cong dan ((chan cau) OR (chinh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho kieu) or (co lieu)) tinh - thanh trung cua thong cong dan ((chan cau) OR (chinh cau))".
• Adding a wildcard symbol may retrieve word variants: ((ho kieu) or (co lieu)) tinh - thanh trung cua thong cong dan ((chan cau) OR (chinh cau))*.