Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
luan thong » luan phong, luan tuong, luat thong
thong manh » thong minh, thong mang, thong danh
toan cao » toan tap
toan ban » van ban
ho lieu » co lieu, ho kieu, ho chieu
so lieu » so dieu

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

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