Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
zhang ying » zhang ming, zhang ping, zhang ting
zhang jing » zhang ming, zhang jin, zhang ping
end cost » end close, land cost, end iot
best how » bust how, test how, west how
how shu » how she, how shih, how slum

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