Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
jeong ghi » hong ghi, jeong mi
jeong 情 » jeong _, jeongui 情, jeong mi
hoang sy » hoang vu
sy human » why human, key human, 2 human
yang jie » yang di, yang jui, yang xi
yang jin » yang jun, ying jin, shang jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: (dong or doing) hoang sy human gene ((yang jie) or (yang jin)) ((jeong ghi) or (jeong 情)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (dong OR doing) hoang sy human gene ((yang jie) OR (yang jin)) ((jeong ghi) OR (jeong 情)) ;.
• Adding a wildcard symbol may retrieve word variants: (dong or doing) hoang sy human gene ((yang jie) or (yang jin)) ((jeong ghi) or (jeong 情)) ;*.