Perhaps you should try some spelling variations:
yan jianping » zhao jianping, yu jianxing
yan yanling » wang yanling
gene sang » lee sang, gene bank
bin zhang » binh thang, li zhang, jia zhang
zhang hai » zhang dai, shang hai, zhang han
hua gene » human gene, a gene, hua ren
sang bin » huang bin, sang minh, song bing
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan yanling) or (yan jianping)) hua gene sang bin zhang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan yanling) OR (yan jianping)) hua gene sang bin zhang hai ;*.