Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
dan toan » van toan, manh toan, xuan toan
dan than » ban than, van than, dang thanh
dan chan » dan gian, dan ca, van chat

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: theo tieu xanh - hanh trinh cua bang cong ((dan toan) OR (((dan than) OR (dan chan)))) cao~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trinh cua bang cong ((dan toan) or (((dan than) or (dan chan)))) cao*.