Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
cua thuong » cua truong, cua phuong, ca thuong
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
cua thong » cua khong, cua tong, suat thong
san than » sang than, san thanh, van than
ban than » ban thanh, van thanh, ban hang

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 lang - hanh doanh ((cua thong) or (cua thuong)) cong ((san than) OR (ban than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - hanh doanh ((cua thong) OR (cua thuong)) cong ((san than) OR (ban than)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo hieu lang - hanh doanh ((cua thong) or (cua thuong)) cong ((san than) OR (ban than)) tap".
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - hanh doanh ((cua thong) or (cua thuong)) cong ((san than) OR (ban than)) tap*.