Perhaps you should try some spelling variations:
gender class » gender biases, gender bias
gender laws » gender law, gendered laws, gender lens
gender low » gender law, gender labor
game based » home based, case based
based saul » based fault, based small, based soil
wang tang » wang yang, tang tang, wang liang
tang chun » wang chun, tung chung, kang chen
chun h » chung h, chun _, 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 tang chun h ((gender low) or (((gender laws) or (gender class)))) game based saul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang tang chun h ((gender low) OR (((gender laws) OR (gender class)))) game based saul ;.
• Adding a wildcard symbol may retrieve word variants: wang tang chun h ((gender low) or (((gender laws) or (gender class)))) game based saul ;*.