Perhaps you should try some spelling variations:
lang hyoung » wang hyoung, kang young, hwang byoung
hyoung yan » kyoung yang, hyoung gun, kyoung yun
human gene » human genome, human gender, human bone
yan human » than human, non human, von human
kong sara » kong sar
yang jin » yang jie, yang jun, ying jin
won sau » wong sau, wong sam, wong siu

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang hyoung yan human gene ((yang jin) or (shang jin)) ((won sau) or (kong sara)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang hyoung yan human gene ((yang jin) OR (shang jin)) ((won sau) OR (kong sara)) ;.
• Adding a wildcard symbol may retrieve word variants: lang hyoung yan human gene ((yang jin) or (shang jin)) ((won sau) or (kong sara)) ;*.