Perhaps you should try some spelling variations:
china gender » china under, chiefs gender, childs gender
child gender » childs gender, child's gender, children gender
wang yang » wang yan, wang liang, wang yanling
yang ying » yang yang, yang jing, huang ying
yang mind » yang cindy, yang jin, sang minh
gong meng » gong gang, gong min
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ying ((china gender) OR (child gender)) ((yang mind) or (gong meng)) dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ying ((china gender) OR (child gender)) ((yang mind) OR (gong meng)) dang hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ying ((china gender) OR (child gender)) ((yang mind) or (gong meng)) dang hai ;".
• Adding a wildcard symbol may retrieve word variants: wang yang ying ((china gender) OR (child gender)) ((yang mind) or (gong meng)) dang hai ;*.