Perhaps you should try some spelling variations:
during risk » using risk, during crises, during crisis
can costa » can cost, can postal, da costa
von cash » von carl, can cash, do cash
wai ban » wai yan, wang ban
yang mu » yang du, yang muxi, yang jui
yang xi » yang di, yang yi, yang jui
ban ji » ban zi, pan ji, san ji

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

• Performing a fuzzy search may retrieve terms with similar spellings: wai ban ji ((can costa) or (von cash)) during risk ((yang mu) or (yang xi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wai ban ji ((can costa) OR (von cash)) during risk ((yang mu) OR (yang xi)) ;*.