Perhaps you should try some spelling variations:
wang zheng » tang zheng, wang zhenpo, fang sheng
wang peng » wang yang, wang yong, wang jing
yulu chen » yu chen
doping 4 » doping _, coping 4, doping 3
wang yue » wong yue, wang hua, wang yan
yi chen » jui chen
doing 4 » doing _, doing a, doing 3.4

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang peng) or (wang zheng)) pong ((yulu chen) or (yi chen)) ((doing 4) OR (doping 4)) wang yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang peng) OR (wang zheng)) pong ((yulu chen) OR (yi chen)) ((doing 4) OR (doping 4)) wang yue ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang peng) or (wang zheng)) pong ((yulu chen) or (yi chen)) ((doing 4) OR (doping 4)) wang yue ;".
• Adding a wildcard symbol may retrieve word variants: ((wang peng) or (wang zheng)) pong ((yulu chen) or (yi chen)) ((doing 4) OR (doping 4)) wang yue ;*.