Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh toan » thanh hoa, thanh san, tinh toan
doi chieu » doc hieu, doi chi, ho chieu
manh toan » anh tuan, tinh toan
van dung » xay dung, tin dung

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: doi chieu xanh - thanh tuong ((van dung) OR (van dong)) phuong ((manh toan) OR (thanh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh tuong ((van dung) OR (van dong)) phuong ((manh toan) or (thanh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tuong ((van dung) OR (van dong)) phuong ((manh toan) or (thanh toan)) cau*.