Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh tra, thanh tuan
thanh toan » thanh hoa, thanh san, tinh toan
xuan chung » xuat chung, xuan hung, xuan phuong
luan chung » luan chinh
cong ban » cong bang, cong san, cong tan
ban toan » bai toan, ban than, van toan
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tai chinh sach - ((thanh tran) OR (thanh toan)) ((xuan chung) OR (luan chung)) cong ban toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tai chinh sach - ((thanh tran) OR (thanh toan)) ((xuan chung) or (luan chung)) cong ban toan ban~".
• Adding a wildcard symbol may retrieve word variants: tai chinh sach - ((thanh tran) OR (thanh toan)) ((xuan chung) or (luan chung)) cong ban toan ban*.