Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » thong cong, hang cong, nhung don
thanh toan » thanh hoa, thanh san, tinh toan
tieu xanh » tieu danh, chieu xanh, dieu hanh
trung vap » trung cap, trung va, trung van
dung cong » dung trong
toan ban » van ban

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh trung vap ((nhung cong) OR (dung cong)) thanh toan ban~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh trung vap ((nhung cong) OR (dung cong)) thanh toan ban*.