Perhaps you should try some spelling variations:
china gender » china under, child gender, chiefs gender
ming china » kong china, facing china
wong siew » long view
lang yan » wang yan, wang yang, zhang yan
yan ming » yuan ming, wan ming, kian ming
yang jui » yang judy, yang xi, yang yi
wong sau » wong sam, wong siu, wong shiu

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: lang yan ming china gender ((yang jui) OR (yang di)) ((wong siew) OR (wong sau)) ;~.
• Adding a wildcard symbol may retrieve word variants: lang yan ming china gender ((yang jui) or (yang di)) ((wong siew) or (wong sau)) ;*.