Perhaps you should try some spelling variations:
thong thuong » thong thong, hang thuong, cong thuong
doanh doanh » toan doanh, doanh hoan, doanh thanh
hanh doanh » hang doanh, chinh doanh, kinh doanh
thuong van » thong van, truong van, thuong va
theo hieu » theo chieu, theo tieu, thien hieu
cua thong » cua thuong, cua khong, cua tong
van van » van ban, tan van, san van
van tai » von tai, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu qua - ((hanh doanh) or (doanh doanh)) cua thong thuong van van tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu qua - ((hanh doanh) OR (doanh doanh)) cua thong thuong van van tai*.