Perhaps you should try some spelling variations:
cost during » boost during, crust during, west during
during risk » using risk, during crises, during crisis
zhang ying » zhang ming, zhang ping, zhang ting
zhang jing » zhang ming, zhang jin, zhang ping
end cost » end close, land cost, end iot
how shih » how six, how she
zhen » zheng, when, chen

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "zhen ((zhang ying) OR (zhang jing)) end cost during risk how shih ;~".
• Adding a wildcard symbol may retrieve word variants: zhen ((zhang ying) OR (zhang jing)) end cost during risk how shih ;*.