Perhaps you should try some spelling variations:
during risk » using risk, during crises, during crisis
pei yang » wei yang, hui yang, pei yun
von cash » von carl, can cash, do cash
yang jui » yang judy, yang di, yang xi
yang ji » yang jie, yang jin, yang di
yang du » yang di, yang d, yang mu
cost » costs

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

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