Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
wang yong » wang yang, wang hyoung, wang yan
did human » und human, did roman, ed human
yong did » long did, dong di, yong kim
hong ghi » zhong zhi, hong g, hong hai
yang xi » yang jui
yang yi » yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong did human gene ((yang di) or (((yang xi) or (yang yi)))) hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong did human gene ((yang di) OR (((yang xi) OR (yang yi)))) hong ghi ;.
• Adding a wildcard symbol may retrieve word variants: wang yong did human gene ((yang di) or (((yang xi) or (yang yi)))) hong ghi ;*.