Perhaps you should try some spelling variations:
chen zhenong » chen zheng, chen zhen, jin zhenong
zhenong john » zhenong jin
dian yulu » dian yue
yulu chen » yu chen
john song » john wong, john bonn, john ngosong
song seo » hong seo, song so, song seng
wang » wing

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 OR lang) OR wan) yanling dian yulu chen zhenong john song seo ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang OR lang) or wan) yanling dian yulu chen zhenong john song seo ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang OR lang) or wan) yanling dian yulu chen zhenong john song seo ;*.