Perhaps you should try some spelling variations:
human gender » bhutan gender, human gene, german gender
liang chang » huang chang, ying chang, xiliang zhang
wang liang » wang yang
sheng john » chen john, sheng jou
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 liang chang ((hua ren) or (((human genome) or (human gender)))) sheng john jong min ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang chang ((hua ren) OR (((human genome) OR (human gender)))) sheng john jong min ;.
• Adding a wildcard symbol may retrieve word variants: wang liang chang ((hua ren) or (((human genome) or (human gender)))) sheng john jong min ;*.