Perhaps you should try some spelling variations:
gender laws » gendered laws, gender class, gender lens
take based » case based, game based, care 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 wai » chun hui, chun i, chun lan

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 wai ((gender law) or (gender laws)) take based saul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang tang chun wai ((gender law) OR (gender laws)) take based saul ;.
• Adding a wildcard symbol may retrieve word variants: wang tang chun wai ((gender law) or (gender laws)) take based saul ;*.