Perhaps you should try some spelling variations:
gene clone » gene one
yuan wang » yan wang, yuan kang, yuan chang
wang yang » wang yan, wang liang, wang yanling
gene long » gene one
wong shiu » wong siu, cong shu, song shin
wong sam » wong sau, wong lai, kong sar
yang l1 » yang li, yang all, yang lin

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

• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang yang l1 ((gene long) OR (gene clone)) thanh ((wong shiu) OR (wong sam)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan wang yang l1 ((gene long) OR (gene clone)) thanh ((wong shiu) or (wong sam)) ;~".
• Adding a wildcard symbol may retrieve word variants: yuan wang yang l1 ((gene long) OR (gene clone)) thanh ((wong shiu) or (wong sam)) ;*.