Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - canh tranh luan ((hang cong) or (dang cong)) ((dan toan) OR (dan than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - canh tranh luan ((hang cong) OR (dang cong)) ((dan toan) OR (dan than)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - canh tranh luan ((hang cong) or (dang cong)) ((dan toan) OR (dan than)) tap".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - canh tranh luan ((hang cong) or (dang cong)) ((dan toan) OR (dan than)) tap*.