Perhaps you should try some spelling variations:
zhang ying » zhang ming, zhang jing, zhang ting
zhang ping » zhang ming, zhang jing, zhang ting
chen cheng » chen chung, chen zheng, chen zhen
ming wang » ping wang, hong wang, ming kong
ming hung » dang hung, fung hung, men hung
a chen » ta chen, _ chen, n chen

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((zhang ying) OR (zhang ping)) a chen cheng ((ming wang) OR (ming hung)) zhi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((zhang ying) or (zhang ping)) a chen cheng ((ming wang) OR (ming hung)) zhi ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((zhang ying) or (zhang ping)) a chen cheng ((ming wang) OR (ming hung)) zhi ;*.