Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, chinh truong
manh truong » manh trung, manh tuong, anh truong
dai thang » danh thang, tai thanh, dai han
30 trieu » 25 trieu
dai nang » da nang, dai dang, ki nang
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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 - ((hanh truong) OR (manh truong)) ((dai nang) or (dai thang)) cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - ((hanh truong) OR (manh truong)) ((dai nang) OR (dai thang)) cong san toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "30 trieu tinh - ((hanh truong) OR (manh truong)) ((dai nang) or (dai thang)) cong san toan tap".
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - ((hanh truong) OR (manh truong)) ((dai nang) or (dai thang)) cong san toan tap*.