Perhaps you should try some spelling variations:
during risk » using risk, during crises, during crisis
land cost » land costs, land code
risk tong » risk among, risk along
tong shui » tong hui, cong shu, gong hui
wing yan » wang yan, wing ian, wing tan
end cost » end close, end iot
yan big » can big, land big, mean big

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: wing yan big ((end cost) OR (land cost)) during risk tong shui ;~.
• Adding a wildcard symbol may retrieve word variants: wing yan big ((end cost) or (land cost)) during risk tong shui ;*.