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

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) OR (china gender)) ((yang jin) or (song ming)) dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ying ((hua gender) OR (china gender)) ((yang jin) OR (song ming)) dang hadi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ying ((hua gender) OR (china gender)) ((yang jin) or (song ming)) dang hadi ;".
• Adding a wildcard symbol may retrieve word variants: wang liang ying ((hua gender) OR (china gender)) ((yang jin) or (song ming)) dang hadi ;*.