Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
yuan chang » yuan cheng, huang chang, han chang
yuan wang » yan wang, yuan kang, qian wang
you liang » you xian, you liangzhi
hua cheng » hua chen, huang cheng, yuan cheng
zhang yan » zhang fan, zhang jian, wang yan
yan zhong » yan zhang, tan hong, yan cong
zhong tai » hong tan, hong hai, zhong zhi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((((yuan wang) or (yuan chang))) or (you liang)) hua cheng zhang yan zhong tai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((((yuan wang) OR (yuan chang))) OR (you liang)) hua cheng zhang yan zhong tai ;.
• Adding a wildcard symbol may retrieve word variants: wang ((((yuan wang) or (yuan chang))) or (you liang)) hua cheng zhang yan zhong tai ;*.