Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang jing
wang yang » wang yan, wang liang, wang yanling
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
yang jin » yang jie, yang jun, ying jin
wong sam » wong sau, wong lai, kong sar
won sau » wong sau, 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 dong) or (wang yang)) yang hua gene ((yang jin) or (yang di)) ((won sau) OR (wong sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang dong) OR (wang yang)) yang hua gene ((yang jin) OR (yang di)) ((won sau) OR (wong sam)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang dong) or (wang yang)) yang hua gene ((yang jin) or (yang di)) ((won sau) OR (wong sam)) ;*".