Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
thue xanh » thue thanh, thuc hanh, thuy anh
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
dan toan » van toan, dan than, manh toan
van tan » van tuan, van ban, van tai
cuc » cuoc, chuc

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: cuc thue xanh - hanh trinh quan dung cong ((dan toan) OR (van tan)) cau~.
• Adding a wildcard symbol may retrieve word variants: cuc thue xanh - hanh trinh quan dung cong ((dan toan) or (van tan)) cau*.