Perhaps you should try some spelling variations:
during crisis » during crises, housing crisis
risk during » risks during, risk using, crisis during
crisis cong » crisis can, crisis could, crisis comes
yang jui » yang judy, yang di, yang yi
can risk » chain risk
yang xi » yang di, yang yi
yan yi » yang yi, tan yi, yan zi

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: wing ((yan yi) OR (((yang jui) OR (yang xi)))) can risk during crisis cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing ((yan yi) or (((yang jui) OR (yang xi)))) can risk during crisis cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: wing ((yan yi) or (((yang jui) OR (yang xi)))) can risk during crisis cong shu ;*.