Perhaps you should try some spelling variations:
crisis pooling » crisis promoting, risk pooling, crisis policy
during crisis » during crises, housing crisis
pooling shu » pooling sub
wang zhang » wang zheng, wang luhang, zhang zhang
zhang ying » zhang ming, zhang jing, zhang ping
oder cost » der cost, lower cost, power cost
eu cost » au costa, der cost, end 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 ((eu cost) OR (oder cost)) during crisis pooling shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang zhang ying ((eu cost) or (oder cost)) during crisis pooling shu ;*.