Perhaps you should try some spelling variations:
hang doanh » hanh doanh, nhung doanh, van doanh
thong cong » trong cong, tong cong, thong thong
hoc thieu » hoc hien
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
van thanh » ban thanh, van tuan
dan than » dan chan, ban than, van than

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sang - hang doanh cua thong cong ((dan than) OR (van thanh)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) sang - hang doanh cua thong cong ((dan than) or (van thanh)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (toc thieu)) sang - hang doanh cua thong cong ((dan than) or (van thanh)) cau*.