Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
25 trieu » 30 trieu
dan toan » dan than, xuan toan, dien toan
van toan » van tuan, van tan, van thanh

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: 25 trieu tinh - hanh trinh cua nhung cong ((((dan toan) OR (van toan))) OR (manh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "25 trieu tinh - hanh trinh cua nhung cong ((((dan toan) OR (van toan))) or (manh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - hanh trinh cua nhung cong ((((dan toan) OR (van toan))) or (manh toan)) cau*.