Perhaps you should try some spelling variations:
wang ping » wang jing, wang ning, wang peng
ping wang » ping pong, hong wang
hua gene » human gene, a gene, hua ren
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
wong sau » wong sam, wong siu, wong shiu
won sau » wong sam, wong siu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ping wang hua gene ((yang jin) or (yang jie)) ((won sau) OR (wong sau)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ping wang hua gene ((yang jin) OR (yang jie)) ((won sau) OR (wong sau)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ping wang hua gene ((yang jin) or (yang jie)) ((won sau) OR (wong sau)) ;".
• Adding a wildcard symbol may retrieve word variants: wang ping wang hua gene ((yang jin) or (yang jie)) ((won sau) OR (wong sau)) ;*.