Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
thong cong » trong cong, tong cong, thong thong
30 trieu » 25 trieu
hanh san » thanh san, khach san, thanh son
cong dan » cong san, cong tan, huong dan
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: 30 trieu tinh - ((cang thang) or (hanh san)) he thong cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - ((cang thang) OR (hanh san)) he thong cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - ((cang thang) or (hanh san)) he thong cong dan than tap*.