Perhaps you should try some spelling variations:
wong sam » wong sau, wong lai, von sam
pong yan » dong yang, wang yan, kong yam
yan jiu » yang jie, yang jin, pang jiu
le xing » lu xing, le xing's
xing ji » xiang ji, jing ji, xin ji
won sau » wong sau, wong siu
jiu le » jeu le
ping » wing
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: ping pong yan jiu le xing ji ((((won sau) or (wong sam))) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ping pong yan jiu le xing ji ((((won sau) OR (wong sam))) OR (kong sar)) ;*.