Perhaps you should try some spelling variations:
cheng ming » cheng bing, cheng ling, chen ping
chen ming » chen ping, chan ming, chen jing
yang yang » wang yang, wang yan
yan yang » yao yang, dan yang, tan yang
long do » long d, long du, longer do
li li » li lin, li l, li lu
wang » wing, wan, lang

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 ((yan yang) OR (yang yang)) li li ((chen ming) OR (cheng ming)) long do ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yang) or (yang yang)) li li ((chen ming) OR (cheng ming)) long do ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yan yang) or (yang yang)) li li ((chen ming) OR (cheng ming)) long do ;*.