Perhaps you should try some spelling variations:
mot trieu » mot chieu, mot tri, mon triet
hanh hang » thanh hang, hang hang, hanh mang
dung cong » dung trong
ho trieu » 25 trieu, 30 trieu, ho chieu
hanh han » hanh nhan, hanh phan, hanh san
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban
va dung » van dung, va duong, vat dung

You may be able to get more results by adjusting your search query.

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