Perhaps you should try some spelling variations:
liang liying » jiang liping, liang lilin, liang ying
jiang yajing » jiang liping, liang ying
human gender » bhutan gender, human gene, german gender
gender yang » gender change, gender barung
yang jin » yang jie, yang jun, ying jin
non sacu » union sacu, non sans
non same » non state, non frame, non sales

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((liang liying) or (jiang yajing)) human gender yang jin ((non sacu) or (non same)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((liang liying) OR (jiang yajing)) human gender yang jin ((non sacu) OR (non same)) ;.
• Adding a wildcard symbol may retrieve word variants: wang ((liang liying) or (jiang yajing)) human gender yang jin ((non sacu) or (non same)) ;*.