Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
thanh tra » thanh toan, thanh hoa
van duong » van dong, van dung, van phong
chi sach » chieu sach, co sach, moi sach
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi sach) or (chinh sach)) - ((thanh tra) or (thanh san)) van duong cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (chinh sach)) - ((thanh tra) OR (thanh san)) van duong cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) or (chinh sach)) - ((thanh tra) or (thanh san)) van duong cong dan than cao*.