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
than big » than bling, can big, mean big
end cost » end close, land cost, end iot
tong hui » wang hui
und big » und bild

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

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