Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo tiem » theo tieu, thep tieu
trung cua » truong cua, trung tuan, trung cap
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tiem) OR (them niem)) hanh - thanh trung cua bang cong dan than cau~".
• Adding a wildcard symbol may retrieve word variants: ((theo tiem) OR (them niem)) hanh - thanh trung cua bang cong dan than cau*.