Perhaps you should try some spelling variations:
wang yiqian » wang yidan
yiqian kang » yiqian wang, millian kang
zhang sing » zhang ming, zhang jing, zhang ping
tan cheng » tang zheng, yuan cheng, tan hong
zhang xin » zhang jian, zhang ming, zhang fan
kang tan » kang tae, kang han, liang tan
kong ghi » hong ghi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yiqian kang tan cheng ((zhang sing) or (zhang xin)) kong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yiqian kang tan cheng ((zhang sing) OR (zhang xin)) kong ghi ;.
• Adding a wildcard symbol may retrieve word variants: wang yiqian kang tan cheng ((zhang sing) or (zhang xin)) kong ghi ;*.