Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh hoan » trinh han, trinh hoa, trinh toan
doan tien » doan thien, doanh tien, toan tien
hoan hang » hoan hoang, hoat hang, hoan thanh
hang cong » dang cong, hang nong, bang cong
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "doan tien thinh - hanh trinh hoan hang cong ((dan than) OR (van than)) cau~".
• Adding a wildcard symbol may retrieve word variants: doan tien thinh - hanh trinh hoan hang cong ((dan than) OR (van than)) cau*.