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
debt cost » debt cash
eu cost » au costa, der cost, end cost

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang zhang ying ((eu cost) or (debt cost)) during crisis coping shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang zhang ying ((eu cost) OR (debt cost)) during crisis coping shu ;*.