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
dung cong » dung trong
cho thue » choi thuc, cuc thue, cho he
dan toan » van toan, dan than, 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: cho thue xanh - hanh trinh quan ((dang cong) OR (dung cong)) ((dan toan) OR (van tan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho thue xanh - hanh trinh quan ((dang cong) OR (dung cong)) ((dan toan) or (van tan)) cau~".
• Adding a wildcard symbol may retrieve word variants: cho thue xanh - hanh trinh quan ((dang cong) OR (dung cong)) ((dan toan) or (van tan)) cau*.