Perhaps you should try some spelling variations:
crisis sannong » crisis planning
crisis around » risks around, crisis about, crisis background
risks during » risk during, risks facing, banks during
chain risks » chains risks, chain risk, changing risks
yang jui » yang judy, yang di, yang xi
yan zi » yan zhi, yuan zi, ban zi

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: wing ((yan zi) OR (yang jui)) chain risks during ((crisis sannong) OR (crisis around)) shu ;~.
• Adding a wildcard symbol may retrieve word variants: wing ((yan zi) or (yang jui)) chain risks during ((crisis sannong) or (crisis around)) shu ;*.