Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, hanh dung
thanh hung » thanh huong, thanh tung, thanh trung
bang cong » dang cong, bang song, hang cong
ho chinh » hoc chinh, cho chinh, hoa chinh
cua bang » chua bang, cua ban, cua dang
cong san » cong tac
san chay » san pham, van chat, dan chan
chay cau » chay cao, chay chua, cay ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chinh sach - ((thanh dung) OR (thanh hung)) cua bang cong san chay cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chinh sach - ((thanh dung) OR (thanh hung)) cua bang cong san chay cau".
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - ((thanh dung) OR (thanh hung)) cua bang cong san chay cau*.