Perhaps you should try some spelling variations:
ping wang » ping pong, hong wang
dang haji » dang hai, dato haji
jun qian » sun qiang, ji qian, jun jean
cai jing » cao jing, cai jinfa, cai fang
wu qian » wu jian
yi jing » yi ning
hong yu » wong yue
yan » yang, ryan

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 yan ((wu qian) OR (jun qian)) ((yi jing) or (cai jing)) ((hong yu) or (dang haji)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ping wang yan ((wu qian) OR (jun qian)) ((yi jing) OR (cai jing)) ((hong yu) OR (dang haji)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ping wang yan ((wu qian) OR (jun qian)) ((yi jing) or (cai jing)) ((hong yu) or (dang haji)) ;".
• Adding a wildcard symbol may retrieve word variants: ping wang yan ((wu qian) OR (jun qian)) ((yi jing) or (cai jing)) ((hong yu) or (dang haji)) ;*.