Perhaps you should try some spelling variations:
human gender » bhutan gender, german gender, human genome
ying chang » jin chang, yi chang, yin hang
human gene » human genome, human bone, human genetic
sheng john » chen john, sheng jou
wang ying » wang yang, wang yong, wang jing
john jong » john song, john wong, john bonn
jong min » gong min, song min, song ming
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 gene) or (human gender)))) sheng john jong min ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ying chang ((hua ren) OR (((human gene) OR (human gender)))) sheng john jong min ;.
• Adding a wildcard symbol may retrieve word variants: wang ying chang ((hua ren) or (((human gene) or (human gender)))) sheng john jong min ;*.