Perhaps you should try some spelling variations:
sharing home » sharing hold, sharing how, sharing forms
cost sharing » risk sharing, cost savings
chang yan » chang yun, wang yan, chang ha
zhang yan » zhang fan, zhang jian, wang yan
guan cost » human cost, can cost, iran cost
kong » long, hong, pong

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: yi ((chang yan) OR (zhang yan)) guan cost sharing home kong (sar OR saur) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yi ((chang yan) OR (zhang yan)) guan cost sharing home kong (sar or saur) ;~".
• Adding a wildcard symbol may retrieve word variants: yi ((chang yan) OR (zhang yan)) guan cost sharing home kong (sar or saur) ;*.