Perhaps you should try some spelling variations:
based school » based schools, basic schools
wang yong » wang yang, wang hyoung, wang yan
yong chun » wong chun, fong chan, jong chan
low trade » new trade
based sat » based salt, based smart, based state
i gender » 2 gender, 1 gender, 4 gender
3 gender » 2 gender

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong chun ((i gender) or (3 gender)) low trade ((based sat) or (based school)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong chun ((i gender) OR (3 gender)) low trade ((based sat) OR (based school)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yong chun ((i gender) or (3 gender)) low trade ((based sat) or (based school)) ;*.