Perhaps you should try some spelling variations:
gender class » gender biases, gender bias
zum gender » um gender, zum ende
class than » less than, class taiwan
than money » than one
money all » money small, money a, money el
yang jun » yang jui, pang jun, yang jin
ying jin » yang jin, jing ji, yang jie

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: yang ((yang jun) OR (ying jin)) zum gender class than money all ;~.
• Adding a wildcard symbol may retrieve word variants: yang ((yang jun) or (ying jin)) zum gender class than money all ;*.