Perhaps you should try some spelling variations:
gender based » gender bias
based more » based core, based mode, based model
dong yang » dong hoang, yang yang, dan yang
wang yang » wang yan, wang liang, wang yanling
more cong » more bang, more can, more cost
yala las » para las
cong seo » hong seo, cong shu, cong sun

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong yang) or (wang yang)) ((yala a) OR (yala las)) gender based more cong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (wang yang)) ((yala a) OR (yala las)) gender based more cong seo ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) or (wang yang)) ((yala a) OR (yala las)) gender based more cong seo ;*".