Perhaps you should try some spelling variations:
dung cong » dung trong
tran hong » tran hoang, tran trong, tranh hang
ho chinh » hoc chinh, cho chinh, hoa chinh
ban hang » ngan hang
van dung » van dong, xay dung, tin dung
cong san » cong tac
san phan » san pham, van phan, sat phan

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 - ((ban hang) or (tran hong)) van dung cong san phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - ((ban hang) OR (tran hong)) van dung cong san phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - ((ban hang) or (tran hong)) van dung cong san phan tu*.