Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
thong cong » trong cong, tong cong, thong thong
nhung don » nhung van
25 trieu » 30 trieu
nhung bo » nhung bi, nhung bai, trung bo
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: 25 trieu tinh - hanh trinh quan ((((nhung don) OR (nhung bo))) OR (thong cong)) dan than tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "25 trieu tinh - hanh trinh quan ((((nhung don) OR (nhung bo))) or (thong cong)) dan than tap~".
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - hanh trinh quan ((((nhung don) OR (nhung bo))) or (thong cong)) dan than tap*.