Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan wang » yuan wang, yan wang, yuhuan huang
wang human » wang xueman, wang hua, facing human
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
wong sau » wong sam, wong siu, wong shiu
yan jiu » pang jiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuhan wang human brain ((yan jiu) or (((yang jin) OR (yang jie)))) wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuhan wang human brain ((yan jiu) OR (((yang jin) OR (yang jie)))) wong sau ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuhan wang human brain ((yan jiu) or (((yang jin) OR (yang jie)))) wong sau ;*".