Perhaps you should try some spelling variations:
mining business » winning business, gaining business, linking business
business doing » business dating, business during, business using
wang heyong » wang shiyong, wang hyoung, wang beyond
wang yong » wang yang, wang hyoung, wang yan
hong raw » hong w, hong a, hong hai
doing un » doing und, doing our, doing von

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang heyong) or (wang yong)) ((hong raw) OR (hong tan)) data mining business doing un ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang heyong) OR (wang yong)) ((hong raw) OR (hong tan)) data mining business doing un ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang heyong) or (wang yong)) ((hong raw) OR (hong tan)) data mining business doing un ;".
• Adding a wildcard symbol may retrieve word variants: ((wang heyong) or (wang yong)) ((hong raw) OR (hong tan)) data mining business doing un ;*.