Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
yuan kang » yuan wang, yuan chang, chan kang
kang hong » kong hong, wang hong, kang young
yu cheng » _ cheng
hua ren » hua chen
yu chen » yi chen, yulu chen, jui chen
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang daoping) or (dong sin)) ya ((hua ren) or (((yu cheng) OR (yu chen)))) yuan kang hong w ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang daoping) OR (dong sin)) ya ((hua ren) OR (((yu cheng) OR (yu chen)))) yuan kang hong w ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang daoping) or (dong sin)) ya ((hua ren) or (((yu cheng) OR (yu chen)))) yuan kang hong w ;*".