Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
yidan wang » yiqian wang, yan wang, yijiang wang
yuan wang » yan wang, yuan kang, yuan chang
qian wang » yiqian wang, qian rong, qian yan
hua cheng » hua chen, huang cheng, yuan cheng
zhang xin » zhang jian, zhang ming, zhang fan
xin cong » xin tong, minh cong, yan cong
cong zhi » zhong zhi, wang zhi, cong shu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((((yidan wang) OR (yuan wang))) or (qian wang)) hua cheng zhang xin cong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((((yidan wang) OR (yuan wang))) OR (qian wang)) hua cheng zhang xin cong zhi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((((yidan wang) OR (yuan wang))) or (qian wang)) hua cheng zhang xin cong zhi ;*".