Perhaps you should try some spelling variations:
wang yiqian » wang yidan
yiqian wang » yijiang wang, liqin wang, qian wang
yan cheng » yuan cheng, tan cheng, yan cong
cheng han » chen hao
zhang zhi » zhong zhi, wang zhi, zhang wei
han xin » hai xin, han min, tan xin
hong » long

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 cheng han xin ((zhang zhi) or (hong w)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yiqian wang yan cheng han xin ((zhang zhi) OR (hong w)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yiqian wang yan cheng han xin ((zhang zhi) or (hong w)) ;*.