Perhaps you should try some spelling variations:
wang wang » wang liang, wang yan, wang yong
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 sau » wong sam, wong siu, wong shiu
won sau » wong sam, wong siu
yan ji » yan jiu, ban ji, pan ji

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

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