Perhaps you should try some spelling variations:
yang gong » gang gong, yaping gong, yang guang
yuan kang » yuan wang, yuan chang, chan kang
wing yan » wang yan, wing ian, wing tan
yuan kai » yuan fei, tan kai, yuan li
yuan hui » yuan fei, jaan hui, tuan hua
gong min » jong min, song min, gong meng
yan can » yan clan, man can, yan cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan can run ((yuan kang) or (((yuan kai) OR (yuan hui)))) yang gong min ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan can run ((yuan kang) OR (((yuan kai) OR (yuan hui)))) yang gong min ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan can run ((yuan kang) or (((yuan kai) OR (yuan hui)))) yang gong min ;".
• Adding a wildcard symbol may retrieve word variants: wing yan can run ((yuan kang) or (((yuan kai) OR (yuan hui)))) yang gong min ;*.