Perhaps you should try some spelling variations:
cost during » boost during, crust during, west during
during risk » using risk, during crises, during crisis
risk cong » risk coping, risk among, risk along
yan yang » yang yang, yao yang, dan yang
wan yan » wang yan, nan yan, wai yan
yang d » yang di, yang du, yang _
d cost » d costs, 2 cost, 4 cost

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

• Adding a wildcard symbol may retrieve word variants: wan yan yang d cost during risk cong shu ;*.