Perhaps you should try some spelling variations:
trong tuong » trong thuong, trong luong, tuong tuong
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
luan trong » quan trong, luat trong, luan tuong
tuong dinh » truong dinh, thuong dinh, tong dinh
doc hieu » hoc thieu, hoc hien

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (toc thieu)) xanh - hanh doanh luan trong tuong dinh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) xanh - hanh doanh luan trong tuong dinh van ban*.