Perhaps you should try some spelling variations:
human gender » bhutan gender, human gene, german gender
ying chang » jin chang, yi chang, yin hang
sheng john » chen john, sheng jou
wang ying » wang yang, wang yong, wang jing
john gong » john song, john wong, john ogony
gong min » jong min, song min, gong meng
hua ren » hua chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ying chang ((hua ren) or (((human genome) or (human gender)))) sheng john gong min ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ying chang ((hua ren) OR (((human genome) OR (human gender)))) sheng john gong min ;.
• Adding a wildcard symbol may retrieve word variants: wang ying chang ((hua ren) or (((human genome) or (human gender)))) sheng john gong min ;*.