Perhaps you should try some spelling variations:
yong susan » wong susan, kang susan
susan gene » human gene
wang yang » wang yan, wang liang, wang yanling
yang yong » wang yong, yang yang, kang young
gene yang » gene bank
yang jie » yang jin, yang di, yang jui
non sacu » union sacu, non same, non sans

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yong susan gene yang jie ((non sacu) or (nation state)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yong susan gene yang jie ((non sacu) OR (nation state)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yong susan gene yang jie ((non sacu) or (nation state)) ;*.