Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
wang xiaoyi » wang xiaolin, wang xiaozu, wang xiaobing
yang jean » yang dean, young jean, yang fan
jean chen » ern chen
chen chua » chen chuan, chen chung, chen shula
beng hong » eng hong, hong hong, wang hong
kong hong » hong hong, kong hang, kong heng

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang xiaoyi) OR (wang xiaoping)) yang jean chen chua ((beng hong) or (kong hong)) zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang xiaoyi) OR (wang xiaoping)) yang jean chen chua ((beng hong) OR (kong hong)) zhi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang xiaoyi) OR (wang xiaoping)) yang jean chen chua ((beng hong) or (kong hong)) zhi ;*".