Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
25 trieu » 30 trieu
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan 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 tang) OR (hanh mang)) luan ((hang cong) OR (dang cong)) dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "25 trieu tinh - ((hanh tang) OR (hanh mang)) luan ((hang cong) or (dang cong)) dan toan cau~".
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - ((hanh tang) OR (hanh mang)) luan ((hang cong) or (dang cong)) dan toan cau*.