Perhaps you should try some spelling variations:
during crisis » during crises, housing crisis
debt during » debate during, debt turning, neet during
crisis cong » crisis can, crisis could, crisis comes
wang dan » wang ban, wang yang, liang dan
yang d » yang di, yang du, yang _
d debt » do debt, 3 debt, 4 debt

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) OR (wang yidan))) OR (wang yan)) yang d debt during crisis cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wang dan) OR (wang yidan))) or (wang yan)) yang d debt during crisis cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((((wang dan) OR (wang yidan))) or (wang yan)) yang d debt during crisis cong shu ;*.