Perhaps you should try some spelling variations:
wang zheng » tang zheng, wang zhenpo, fang sheng
wang peng » wang yang, wang yong, wang jing
wang wei » zhang wei, wang zhi
wong yue » wang yue, hong yu
yu chen » yu cheng, yulu chen, jui chen
yi chen » jui chen
ping yu » ming yu, ping ku, ping yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang zheng) or (wang peng)) hong ((yu chen) or (yi chen)) ping yu ((wang wei) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang zheng) OR (wang peng)) hong ((yu chen) OR (yi chen)) ping yu ((wang wei) OR (wong yue)) ;.
• Adding a wildcard symbol may retrieve word variants: ((wang zheng) or (wang peng)) hong ((yu chen) or (yi chen)) ping yu ((wang wei) or (wong yue)) ;*.