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