Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
van thuong » va thuong, van chuong, van phuong
thanh toan » thanh san, tinh toan
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh tran » hanh trang, thanh tran, hanh tram
thanh hoa » thanh pho
manh toan » anh tuan, tinh toan
tran van » luan van

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: hoc hien xanh - hanh tran van thuong cong ((thanh hoa) OR (((manh toan) OR (thanh toan)))) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh tran van thuong cong ((thanh hoa) or (((manh toan) OR (thanh toan)))) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh tran van thuong cong ((thanh hoa) or (((manh toan) OR (thanh toan)))) cau*.