Perhaps you should try some spelling variations:
trung thanh » truong thanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
bien tinh » bi tinh, yen tinh, diep tinh
chan dung » van dung
thanh bac » nhanh bac, thanh bai, thanh san
dan dung » van dung, tin dung, ap dung
bac hang » bac thang, ban hang, bach khang

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

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