Perhaps you should try some spelling variations:
during risk » using risk, during crises, during crisis
von cash » von carl, can cash, do cash
da costa » _ costa, a cost
yang jui » yang judy, yang di, yang xi
wai pan » wai yan
pan ji » ban ji, pan di, san ji
yang d » yang di, yang du, yang _

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: wai pan ji ((da costa) OR (von cash)) during risk ((yang d) OR (yang jui)) ;~.
• Adding a wildcard symbol may retrieve word variants: wai pan ji ((da costa) or (von cash)) during risk ((yang d) or (yang jui)) ;*.