Perhaps you should try some spelling variations:
human gender » bhutan gender, human gene, german gender
gender yan » gender a, gender am, gender das
dong yang » dong hoang, wang yang, yang yang
wong shiu » wong siu, cong shu, song shin
ya human » a human, das human, 2 human
wong sau » wong siu, wong lai, kong sar
wong sam » wong lai, kong sar, von sam
yan jiu » yang jie, yang jin, pang jiu
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong yang) or (dong sin)) ya human gender yan jiu ((((wong sau) or (wong shiu))) or (wong sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (dong sin)) ya human gender yan jiu ((((wong sau) OR (wong shiu))) OR (wong sam)) ;.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (dong sin)) ya human gender yan jiu ((((wong sau) or (wong shiu))) or (wong sam)) ;*.