Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong cong » tong cong, thong thong, phong chong
soc thiet » hoc thiet, toc thieu, hoc thieu
doanh cua » doanh luan
so thiet » hoc thiet, hoa thiet, tao thiet
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so thiet) OR (soc thiet)) tach - hanh doanh cua ((thong cong) or (trong cong)) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so thiet) OR (soc thiet)) tach - hanh doanh cua ((thong cong) OR (trong cong)) dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so thiet) OR (soc thiet)) tach - hanh doanh cua ((thong cong) or (trong cong)) dan toan ban".
• Adding a wildcard symbol may retrieve word variants: ((so thiet) OR (soc thiet)) tach - hanh doanh cua ((thong cong) or (trong cong)) dan toan ban*.