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
dong skin » dong sin, dong bin, dof skin
tan data » than data, can data, dan data
doing un » doing und, doing our, doing von

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 un) OR (dong skin)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang lihong hong tan data mining business ((doing un) or (dong skin)) ;*.