Perhaps you should try some spelling variations:
crisis coping » crisis housing, crisis shaping, crisis during
during crisis » during crises, housing crisis
zhang ying » zhang ming, zhang ping, zhang ting
zhang jing » zhang ming, zhang jin, 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) OR (zhang jing)) ((end cost) OR (der cost)) during crisis coping shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((zhang ying) OR (zhang jing)) ((end cost) or (der cost)) during crisis coping shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((zhang ying) OR (zhang jing)) ((end cost) or (der cost)) during crisis coping shu ;*.