Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan nhung » qua nhung, cua nhung, luan chung
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van thanh, manh toan
van tan » van tuan, van ban, van tai

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