Perhaps you should try some spelling variations:
gender blind » gender bias, gender based
yiqian wang » yijiang wang, liqin wang
qian wang » qian rong, qian yan, yan wang
blind han » blind men
one hour » one how, one hot
one hu » done hu
jan a » jane a, can a, jan m

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((qian wang) OR (yiqian wang)) jan a gender blind han ((one hu) OR (one hour)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((qian wang) or (yiqian wang)) jan a gender blind han ((one hu) OR (one hour)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((qian wang) or (yiqian wang)) jan a gender blind han ((one hu) OR (one hour)) ;*.