Perhaps you should try some spelling variations:
trade france » trade finance, trade balance, de france
france paul » francis paul, france par, bance paul
gender low » gender law, gender laws, gender labor
zhang han » zhang fan, zhang yan, zhang hanmo
low trade » new trade
yang jun » yang jui, pang jun, yang jin
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 ((zhang han) or (yang jun)) 3 gender low trade france paul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((zhang han) OR (yang jun)) 3 gender low trade france paul ;.
• Adding a wildcard symbol may retrieve word variants: wang ((zhang han) or (yang jun)) 3 gender low trade france paul ;*.