Perhaps you should try some spelling variations:
yan jianping » zhao jianping, yu jianxing
yan yanling » wang yanling
gene sang » lee sang, gene bank
min hong » amin hong, min hyoung, min jeong
tin hong » tan hong, kia hong, thi hong
a gene » a genre, a gender, a gentle
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)) a gene sang ((min hong) OR (tin hong)) hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan yanling) OR (yan jianping)) a gene sang ((min hong) OR (tin hong)) hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yanling) or (yan jianping)) a gene sang ((min hong) OR (tin hong)) hai ;*".