Perhaps you should try some spelling variations:
thong cong » trong cong, thong thong, phong chong
bien tinh » bi tinh, yen tinh, diep tinh
tranh hoa » thanh hoa, trinh hoa, tranh ha
tong cong » trong cong, cong cong, dung cong
danh toan » manh toan, anh toan, dan toan
toan cao » toan ban, toan tap
so bien » mot bien

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

• Performing a fuzzy search may retrieve terms with similar spellings: so bien tinh - canh tranh hoa ((thong cong) OR (tong cong)) danh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so bien tinh - canh tranh hoa ((thong cong) OR (tong cong)) danh toan cao".
• Adding a wildcard symbol may retrieve word variants: so bien tinh - canh tranh hoa ((thong cong) OR (tong cong)) danh toan cao*.