Perhaps you should try some spelling variations:
yuan ping » yuan ming, yuan ting, yuen ping
ping sing » ping pong, ping lin, ping wang
sing kong » king kong, hong kong
wing sun » liang sun, cong sun, nina sun
yan yuan » yan guan, fang yuan, nan yan
kong siu » kong eiu, wong siu, dong sin
dong di » dong sin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing sun) or (dong di)) wang yan yuan ping sing kong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing sun) OR (dong di)) wang yan yuan ping sing kong siu ;*.