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
hong than » hong tan, long thanh, hong hai
than data » than death, loan data, can data
doing und » ding und, doing un, ring und

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 than data mining business ((doing und) or (dong (sin or skin))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang lihong hong than data mining business ((doing und) OR (dong (sin OR skin))) ;.
• Adding a wildcard symbol may retrieve word variants: wang lihong hong than data mining business ((doing und) or (dong (sin or skin))) ;*.