Perhaps you should try some spelling variations:
human gender » bhutan gender, german gender, human genome
human gene » human genome, human bone, human genetic
dong bin » dong di, dann bin
jiu wong » jiu cong, ji won, kie wong
wong sam » wong sau, wong lai, kong sar
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 bin) or (dong sin)) ya ((human gene) OR (human gender)) yan jiu wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong bin) OR (dong sin)) ya ((human gene) OR (human gender)) yan jiu wong sam ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong bin) or (dong sin)) ya ((human gene) OR (human gender)) yan jiu wong sam ;*".