Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, rong thanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
bien tinh » bi tinh, yen tinh, diep tinh
doanh lan » doanh luan, doanh ban, doanh van
lan dung » van dung, dan dung, lan hung
ho bien » pho bien, hoa bien, so bien

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho bien tinh - hanh doanh lan dung trong thanh ((ban hang) or (ngan hang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho bien tinh - hanh doanh lan dung trong thanh ((ban hang) OR (ngan hang)).
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - hanh doanh lan dung trong thanh ((ban hang) or (ngan hang))*.