Perhaps you should try some spelling variations:
during crisis » during crises, housing crisis
debt during » debate during, debt turning, neet during
huang yang » huang ying, huang chang, wang yang
land debt » bad debt, fund debt, card debt
ying jin » jing ji, yang jie
yang jin » yang jie, yang jun, shang jin
how slum » how slow, how sub, how sun

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 ((huang yang) OR (((ying jin) OR (yang jin)))) land debt during crisis how slum ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((huang yang) or (((ying jin) or (yang jin)))) land debt during crisis how slum ;*.