Perhaps you should try some spelling variations:
yuan kang » yuan chang, chan kang, yuan kai
yuan wang » yan wang, yuan chang, qian wang
tan chia » tuan china, than china, can china
tuan hua » tuan vu, yuan hui
pang can » pang jun, kang ca, lung can
can hong » tan hong, care hong, wang hong
tan hua » wang hua, tan puay
hong yu » wong yue

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: ((yuan kang) OR (yuan wang)) ((((tan hua) OR (tan chia))) OR (tuan hua)) rene pang can hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan kang) or (yuan wang)) ((((tan hua) OR (tan chia))) or (tuan hua)) rene pang can hong yu ;~".
• Adding a wildcard symbol may retrieve word variants: ((yuan kang) or (yuan wang)) ((((tan hua) OR (tan chia))) or (tuan hua)) rene pang can hong yu ;*.