Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
hoc thieu » toc thieu, hoc hien
tuan dung » tuan duong, tran dung, tan dung
cong danh » cuong danh, cong thanh, cong khanh
ho chieu » theo chieu, doi chieu, mot chieu
cong dan » cong san, cong tan, huong dan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sang - thanh trung tuan dung ((cong danh) OR (cong dan)) phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sang - thanh trung tuan dung ((cong danh) or (cong dan)) phan tu~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sang - thanh trung tuan dung ((cong danh) or (cong dan)) phan tu*.