Perhaps you should try some spelling variations:
yidan wang » yiqian wang, yan wang, yuan wang
chen zhang » cheng zhang, zhen zhang, chen zheng
qian wang » yiqian wang, qian rong, qian yan
zhang tan » zhang tian, zhang fan, zhang yan
hua chen » jui chen, yu chen, a chen
hong zhi » zhong zhi, hong ghi, zhang 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 ((yidan wang) or (qian wang)) hua chen zhang tan hong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yidan wang) OR (qian wang)) hua chen zhang tan hong zhi ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yidan wang) or (qian wang)) hua chen zhang tan hong zhi ;*.