Perhaps you should try some spelling variations:
wang ping » wang jing, wang ning, wang liang
wang peng » wang zheng, wang yang, wang yong
hua chen » jui chen, yu chen, a chen
doing ke » doing _, doing a, doing 4
jing guo » xin guo
yi chen » jui chen
zong yu » hong yu, rong 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: ((wang ping) or (wang peng)) wang ((hua chen) or (yi chen)) ((doing ke) or (jing guo)) zong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang ping) OR (wang peng)) wang ((hua chen) OR (yi chen)) ((doing ke) OR (jing guo)) zong yu ;.
• Adding a wildcard symbol may retrieve word variants: ((wang ping) or (wang peng)) wang ((hua chen) or (yi chen)) ((doing ke) or (jing guo)) zong yu ;*.