Perhaps you should try some spelling variations:
china gain » china grain, china main, china going
gene bank » gene banks, genomen bank
aid china » arid china, did china, 2nd china
yang fan » zhang fan, yang dean, yang yang
one bank » money bank, die bank, one book
yang yi » yang xi, yang jui
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 yi) OR (yang fan))) OR (yang di))nr 2 man ((one bank) OR (gene bank)) aid china gain ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yang yi) or (yang fan))) or (yang di))nr 2 man ((one bank) OR (gene bank)) aid china gain ;~".
• Adding a wildcard symbol may retrieve word variants: ((((yang yi) or (yang fan))) or (yang di))nr 2 man ((one bank) OR (gene bank)) aid china gain ;*.