Perhaps you should try some spelling variations:
bien tinh » bi tinh, diep tinh, ban tinh
tranh cua » doanh cua, manh cua
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
dang toan » dang tran, dan toan, dung toan
yen tinh » tuyen tinh
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: ho ((bien tinh) or (yen tinh)) - canh tranh cua ((hang cong) OR (dang cong)) dang toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((bien tinh) OR (yen tinh)) - canh tranh cua ((hang cong) OR (dang cong)) dang toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((bien tinh) or (yen tinh)) - canh tranh cua ((hang cong) OR (dang cong)) dang toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((bien tinh) or (yen tinh)) - canh tranh cua ((hang cong) OR (dang cong)) dang toan tap*.