Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, rong thanh
doanh hoan » doanh doanh, doanh khoa, doanh nhan
thanh ngan » thanh nhan, nhanh ngan, thanh nga
bien tinh » bi tinh, yen tinh, diep tinh
nhan dung » chan dung, nhan dang, ngan dung
dan dung » van dung, tin dung, ap dung
so bien » mot bien
hang » nang, dang, bang

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

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