Perhaps you should try some spelling variations:
risk during » risks during, risk using, crisis during
during risk » using risk, during crises, during crisis
risk coping » risk pooling
coping shu » cong shu
wing tan » wing ian, liang tan, hong tan
yang hui » yang jui, wang hui, yang muxi
yang mu » yang du, yang muxi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing tan ((yang hui) or (yang mu)) risk during risk coping shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing tan ((yang hui) OR (yang mu)) risk during risk coping shu ;.
• Adding a wildcard symbol may retrieve word variants: wing tan ((yang hui) or (yang mu)) risk during risk coping shu ;*.