Perhaps you should try some spelling variations:
long johan » long han, longo john
kang yang » wang yang, kang young, huang yang
yang yang » wang yang, wang yan
gene long » gene clone, gene one
johan van » johann von, johan a, johannes van
jui gene » i gene, iii gene, jui meng
van paul » von paul, jan paul, jean paul

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan ((kang yang) or (yang yang)) jui gene long johan van paul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan ((kang yang) OR (yang yang)) jui gene long johan van paul ;*.