Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
gene kang » gene bank
yang yao » wang yan, yang yi, yang fan
yang jui » yang judy, yang di, yang xi
jui gene » i gene, iii gene, jui meng
kang kim » kanaga kim, tan kim, yong kim
hong ghi » zhong zhi, hong g, hong hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yao) OR (yang yang)) yang jui gene kang kim ((young choi) or (hong ghi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yao) OR (yang yang)) yang jui gene kang kim ((young choi) OR (hong ghi)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yao) OR (yang yang)) yang jui gene kang kim ((young choi) or (hong ghi)) ;".
• Adding a wildcard symbol may retrieve word variants: ((yang yao) OR (yang yang)) yang jui gene kang kim ((young choi) or (hong ghi)) ;*.