Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan wang » yiqian wang, qian wang, yan wang
zhang qian » zhang jian, zhang qin, zhang tian
qian zhong » qian zhihong, xiang zhong, qian rong
zhong zhi » zhang zhi, hong ghi, zhong tai
hua ren » hua chen
yi chen » jui chen

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 ((hua ren) or (yi chen)) zhang qian zhong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan wang ((hua ren) OR (yi chen)) zhang qian zhong zhi ;.
• Adding a wildcard symbol may retrieve word variants: wang yidan wang ((hua ren) or (yi chen)) zhang qian zhong zhi ;*.