Perhaps you should try some spelling variations:
ping wang » ping pong, hong wang
shang hai » shang kai, dang hai, chang ha
wang ban » wang yan, wang dan, wang yang
cai jing » cao jing, cai jinfa, cai fang
hong hai » zhong tai, dang hai, hong tan
wu qian » wu jian, jun qian
yi ning » li ning, yi jing
hong yu » wong yue

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ping wang ban wu qian ((yi ning) or (cai jing)) ((hong yu) or (((hong hai) or (shang hai)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ping wang ban wu qian ((yi ning) OR (cai jing)) ((hong yu) OR (((hong hai) OR (shang hai)))) ;.
• Adding a wildcard symbol may retrieve word variants: ping wang ban wu qian ((yi ning) or (cai jing)) ((hong yu) or (((hong hai) or (shang hai)))) ;*.