Perhaps you should try some spelling variations:
gene clone » gene one
wang yang » wang yan, wang liang, wang yanling
yuan wang » yan wang, yuan kang, yuan chang
gene hong » eng hong, gene one
than kong » tan kong, thang long, than one
yang hua » wang hua, yang hui, ying hua
sar » sara, star, saur

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (yuan wang)) yang hua ((gene hong) OR (gene clone)) than kong sar ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (yuan wang)) yang hua ((gene hong) or (gene clone)) than kong sar ;*.