Perhaps you should try some spelling variations:
mining business » winning business, gaining business, linking business
wang lihong » wang liang, wang shiyong
lihong hong » hong hong
doing und » ding und, doing un, ring und
dong sign » dong sin, among sign, dong bin
tan data » than data, dan data, fan data
can data » can tata, dan data, fan data

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: wang lihong hong ((tan data) OR (can data)) mining business ((doing und) OR (dong sign)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang lihong hong ((tan data) OR (can data)) mining business ((doing und) or (dong sign)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang lihong hong ((tan data) OR (can data)) mining business ((doing und) or (dong sign)) ;*.