Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong cong » tong cong, thong thong, phong chong
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
toc hieu » toc thieu, doc hieu, thuc hieu
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

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