Perhaps you should try some spelling variations:
sharing his » sharing risk, sharing big, sharing dps
wang yao » wang yan, yang yao, gang yao
yao yang » yang yang
hui cost » ii cost, run cost
der cost » oder cost, user cost, debt cost
eu cost » au costa, end cost, eu court
son shu » cong shu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yao yang ((hui cost) or (((eu cost) OR (der cost)))) sharing his son shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yao yang ((hui cost) OR (((eu cost) OR (der cost)))) sharing his son shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yao yang ((hui cost) or (((eu cost) OR (der cost)))) sharing his son shu ;".
• Adding a wildcard symbol may retrieve word variants: wang yao yang ((hui cost) or (((eu cost) OR (der cost)))) sharing his son shu ;*.