Perhaps you should try some spelling variations:
wang yiqian » wang yidan
yiqian wang » yijiang wang, liqin wang, qian wang
zhang yifan » zhang fan, zhang jian, zhang yan
zhang tian » zhang jian, zhang silan, zhang fan
zhang zhi » zhong zhi, wang zhi, zhang wei
yan sher » khan sher, can she, han shen

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 wang yan sher ((zhang tian) OR (zhang yifan)) zhang zhi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yiqian wang yan sher ((zhang tian) OR (zhang yifan)) zhang zhi ;*".