Perhaps you should try some spelling variations:
wang liang » wang yang
liang ying » liang liying, huang ying, zhang ying
hua gender » a gender, china gender, equal gender
song ming » song bing, song min, gong min
dang hadi » dang hai
ying hua » ming hua, wang hua, ying zhu
ying jin » yang jin, jing ji, yang jie

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 ying hua gender ((ying jin) or (song ming)) dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ying hua gender ((ying jin) OR (song ming)) dang hadi ;.
• Adding a wildcard symbol may retrieve word variants: wang liang ying hua gender ((ying jin) or (song ming)) dang hadi ;*.