Perhaps you should try some spelling variations:
chun chuan » chung chuan, chen chuan, chang chuan
chuan ming » chan ming, chuan bang, yuan ming
yan yidan » wang yidan, yan yuan
yidan lin » yuan lin
lin chun » lin chih, lee chun, lin tun
code ctu » code c, code pt
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 yidan lin chun chuan ming ((code shu) OR (code ctu)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan yidan lin chun chuan ming ((code shu) or (code ctu)) ;*.