Perhaps you should try some spelling variations:
gender based » gender bias
based david » based danish, based dating
iii gender » ii gender, i gender, iii gene
louis ghia » louis rhi
yang yang » wang yan
wang yang » wang yan, wang liang, wang yanling
yan yang » yao yang, dan yang, tan yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wing or lang) ((yan yang) or (((yang yang) OR (wang yang)))) iii gender based david louis ghia ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wing OR lang) ((yan yang) OR (((yang yang) OR (wang yang)))) iii gender based david louis ghia ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wing or lang) ((yan yang) or (((yang yang) OR (wang yang)))) iii gender based david louis ghia ;*".