Perhaps you should try some spelling variations:
during risk » during crises, during crisis, reducing risk
using risk » using rs, funding risk, rising risks
wang dan » wang yan, wang ban, wang yidan
dan qing » dan yang, der qing
can lose » can close, can lost, can losers
can cash » a cash
yang shu » cong shu, tan shu, yang du

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 dan qing ((can lose) OR (can cash)) ((during risk) OR (using risk)) yang shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang dan qing ((can lose) or (can cash)) ((during risk) OR (using risk)) yang shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang dan qing ((can lose) or (can cash)) ((during risk) OR (using risk)) yang shu ;*.