Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
hang nong » thang long, han tong
dang cong » dung cong
van thanh » van tuan
ban thanh » ban hanh, ban hang
toc tien » hoc tien, toc mien, toc stieng

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: toc tien thanh - hanh trinh cua ((hang nong) OR (dang cong)) ((van thanh) OR (ban thanh)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc tien thanh - hanh trinh cua ((hang nong) or (dang cong)) ((van thanh) OR (ban thanh)) cau~".
• Adding a wildcard symbol may retrieve word variants: toc tien thanh - hanh trinh cua ((hang nong) or (dang cong)) ((van thanh) OR (ban thanh)) cau*.