Perhaps you should try some spelling variations:
china gender » china under, child gender, chiefs gender
liang ying » liang liying, huang ying, jiang yajing
zhang ying » zhang ming, zhang jing, zhang ping
dang haji » dang hai, dato haji
yang jin » yang jie, yang jun, ying jin
song min » song ming, gong min, jong min

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