Perhaps you should try some spelling variations:
during risk » using risk, during crises, during crisis
risk along » risk among, ask along
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
along shu » along nhue, cong shu, along who
der cost » oder cost, user cost, debt cost
eu cost » au costa, end cost, eu court

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: wang wang yang ((eu cost) OR (der cost)) during risk along shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang wang yang ((eu cost) or (der cost)) during risk along shu ;*.