Perhaps you should try some spelling variations:
during crisis » during crises, housing crisis
crisis coping » crisis housing, crisis shaping, crisis during
wang zhang » wang zheng, wang luhang, zhang zhang
zhang ying » zhang ming, zhang jing, zhang ping
coping shu » cong shu
end cost » end close, land cost, end iot
der cost » oder cost, user cost, debt cost

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 zhang ying ((end cost) OR (der cost)) during crisis coping shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang zhang ying ((end cost) or (der cost)) during crisis coping shu ;*.