Perhaps you should try some spelling variations:
human gender » bhutan gender, human gene, german gender
yuan ming » yuan ting, kian ming, tuan minh
hong than » hong tan, long thanh, hong hai
yao ming » yao yang, guo ming, tai ming
gender m » gender am, gender _, gender a
hong sar » kong sar, hong seo, hong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wan or lang) ((yao ming) or (yuan ming)) human gender m e ((hong sar) or (hong than)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wan OR lang) ((yao ming) OR (yuan ming)) human gender m e ((hong sar) OR (hong than)) ;.
• Adding a wildcard symbol may retrieve word variants: (wan or lang) ((yao ming) or (yuan ming)) human gender m e ((hong sar) or (hong than)) ;*.