Perhaps you should try some spelling variations:
cheng ming » cheng ling, chen ping, zhang ming
cheng bing » cheng ling, chen ping, chen jing
yang jin » yang jie, yang jun, ying jin
long ago » long arm
tang yi » yang yi, tang li, tan yi
yi yang » yin yang, yi gang, yu yang
long du » long d, long do, long run

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: tang yi yang jin xi ((cheng ming) OR (cheng bing)) ((long ago) OR (long du)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tang yi yang jin xi ((cheng ming) OR (cheng bing)) ((long ago) or (long du)) ;~".
• Adding a wildcard symbol may retrieve word variants: tang yi yang jin xi ((cheng ming) OR (cheng bing)) ((long ago) or (long du)) ;*.