Perhaps you should try some spelling variations:
wang shawn » tan shawn
wang yuhan » wang luhang, wang yan, wang yidan
wang qian » wang qiao, wang qin, wang liang
han chang » huang chang, than change, can change
chang ong » change long, change hong, chang ann
chong zhi » zhong zhi, chen zhi, hong ghi
chong yi » chong yah, chong yun, hong yu

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 qian ((wang shawn) OR (wang yuhan)) han chang ong ((chong zhi) OR (chong yi)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang qian ((wang shawn) or (wang yuhan)) han chang ong ((chong zhi) OR (chong yi)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang qian ((wang shawn) or (wang yuhan)) han chang ong ((chong zhi) OR (chong yi)) ;*.