Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
tac thanh » bac thanh, cac thanh, tcc thanh
thanh lap » thanh san, phan lap, thanh hai
trung va » truong va, trang va, trung ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (chinh sach)) - thanh trung va ((hang cong) OR (bang cong)) tac thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chinh sach)) - thanh trung va ((hang cong) OR (bang cong)) tac thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chinh sach)) - thanh trung va ((hang cong) OR (bang cong)) tac thanh lap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chinh sach)) - thanh trung va ((hang cong) OR (bang cong)) tac thanh lap*.