Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
trinh cua » tinh cua, trinh luat, trinh quan
25 trieu » 30 trieu
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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: "25 trieu tinh - hanh trinh cua ((nhung cong) OR (thong cong)) dan than tap~".
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - hanh trinh cua ((nhung cong) OR (thong cong)) dan than tap*.