Perhaps you should try some spelling variations:
arid china » did china, 3rd china, tariff china
china gain » china grain, china main, china going
gene bank » gene banks, one bank, genomen bank
bank arid » bank aid, bank card, bank api
yang jui » yang judy, yang yi
man gene » human gene, man glen, man one
yang xi » yang yi
2 man » 2 main, 2 mean, _ man
nr 2 » nr 1

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: ((((((yang xi) OR (yang jui))) OR (yang dean))) OR (yang di))nr 2 man gene bank arid china gain ;~.
• Adding a wildcard symbol may retrieve word variants: ((((((yang xi) or (yang jui))) or (yang dean))) or (yang di))nr 2 man gene bank arid china gain ;*.