Perhaps you should try some spelling variations:
during risk » using risk, during crises, during crisis
cost during » boost during, crust during, west during
risk tong » risk among, risk along
mean big » mean log, than big
end cost » end close, land cost, end iot
tong hui » wang hui
yan big » land big, than big
can big » can bring, than big

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing ((((yan big) OR (mean big))) or (can big)) end cost during risk tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing ((((yan big) OR (mean big))) OR (can big)) end cost during risk tong hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing ((((yan big) OR (mean big))) or (can big)) end cost during risk tong hui ;*".