Perhaps you should try some spelling variations:
yong wang » hong wang, yong phang, ping wang
dong yang » dong hoang, wang yang, yang yang
chen ying » chen yang, chen ping, chen jing
sing kong » king kong, hong kong
hua chen » jui chen, yu chen, a chen
jin ying » li ying
spur » sur

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: wang ((yong wang) OR (dong yang)) hua chen ying ((sing kong) OR (jin ying)) spur ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yong wang) OR (dong yang)) hua chen ying ((sing kong) or (jin ying)) spur ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yong wang) OR (dong yang)) hua chen ying ((sing kong) or (jin ying)) spur ;*.