Perhaps you should try some spelling variations:
wang human » wang xueman, wang hua, facing human
human gene » human genome, human gender, human bone
zhang ming » zhang xin
wang yuan » wang yuhan, wang yan, fang yuan
yuan wang » yan wang, yuan kang, yuan chang
jeong 情 » jeong _, jeongui 情, jeong mi
song min » song ming, gong min, jong min

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuan wang human gene ((zhang ming) or (song min)) jeong 情 ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuan wang human gene ((zhang ming) OR (song min)) jeong 情 ;*.