Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
thong cong » tong cong, thong thong, phong chong
dung cua » dung luan, dung cho
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
bo bien » mot bien, pho bien, bat bien
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: ((bo bien) or (so bien)) tinh - thanh dung cua ((thong cong) or (trong cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((bo bien) OR (so bien)) tinh - thanh dung cua ((thong cong) OR (trong cong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((bo bien) or (so bien)) tinh - thanh dung cua ((thong cong) or (trong cong)) dan toan cao*.