Perhaps you should try some spelling variations:
thanh trung » thanh tung
chon chinh » cho chinh, thon chinh, chinh chinh
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
dan thanh » dang thanh, danh thanh, ban thanh
thanh lap » thanh san, phan lap, thanh hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: chon chinh sach - thanh trung tam ((hang cong) or (bang cong)) dan thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chon chinh sach - thanh trung tam ((hang cong) OR (bang cong)) dan thanh lap.
• Adding a wildcard symbol may retrieve word variants: chon chinh sach - thanh trung tam ((hang cong) or (bang cong)) dan thanh lap*.