Perhaps you should try some spelling variations:
heine einem » heine ein
iii gender » i gender, iii gene
wang ning » wang liang, wang yang, wang yong
wang jing » wang liang, wang yang, wang yong
ii gender » i gender, 2 gender, 3 gender
kern » ken, bern, kerr
ghi » nghi, ghia

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang ning) OR (wang jing)) wang ((iii gender) OR (ii gender)) heine einem kern ghi ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang ning) or (wang jing)) wang ((iii gender) or (ii gender)) heine einem kern ghi ;*.