Perhaps you should try some spelling variations:
hang hang » nang hang, cang thang, hung thang
hanh nhan » thanh nhan, danh nhan, anh nhan
tong cong » trong cong, dung cong, dang cong
cong cong » cong dong, trong cong, dung cong
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.

• Performing a fuzzy search may retrieve terms with similar spellings: 25 trieu tinh - ((hang hang) or (hanh nhan)) va ((tong cong) OR (cong cong)) dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 25 trieu tinh - ((hang hang) OR (hanh nhan)) va ((tong cong) OR (cong cong)) dan than tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "25 trieu tinh - ((hang hang) or (hanh nhan)) va ((tong cong) OR (cong cong)) dan than tap".
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - ((hang hang) or (hanh nhan)) va ((tong cong) OR (cong cong)) dan than tap*.