Perhaps you should try some spelling variations:
gender class » gender biases, gender bias
class take » class taste, class time, class base
wang yang » wang yan, wang liang, wang yanling
wang yong » wang hyoung, wang yan, wang shiyong
take bane » take based, take care, take back
bane saul » bance paul
chun 2 » chun _, chun h, chun i

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yang) or (wang yong)) chun 2 gender class take bane saul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (wang yong)) chun 2 gender class take bane saul ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (wang yong)) chun 2 gender class take bane saul ;*.