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, can data, dan data

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang lihong hong tan data mining business ((doing und) or (dong sign)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang lihong hong tan data mining business ((doing und) OR (dong sign)) ;.
• Adding a wildcard symbol may retrieve word variants: wang lihong hong tan data mining business ((doing und) or (dong sign)) ;*.