Perhaps you should try some spelling variations:
sharing formal » sharing formula, sharing forms, making formal
cost sharing » risk sharing, cost savings
formal kong » formal non, formal loans, formal money
ii zhang » li zhang, ii chang, ii anhang
xi zhang » li zhang, xiao zhang, bin zhang
yang fan » zhang fan, yang dean, yang yang
fan cost » can cost, can costa, iran cost

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: ((ii zhang) OR (xi zhang)) yang fan cost sharing formal kong (sar OR saur) ;~.
• Adding a wildcard symbol may retrieve word variants: ((ii zhang) or (xi zhang)) yang fan cost sharing formal kong (sar or saur) ;*.