Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, china zhang
chen zheng » chen zhen, chen aizheng, chen zhe
xin jeong » min jeong, kin keong, xin tong
jeong 情 » jeong _, jeongui 情, jeong mi
yan yan » yan yuan, nan yan, yang yang
yan zi » yan zhi, yuan zi, ban zi
wang » wing, wan

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 OR lang) yan yan zi ((chen zheng) OR (cheng zhang)) xin jeong 情 ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or lang) yan yan zi ((chen zheng) OR (cheng zhang)) xin jeong 情 ;~".
• Adding a wildcard symbol may retrieve word variants: (wang or lang) yan yan zi ((chen zheng) OR (cheng zhang)) xin jeong 情 ;*.