Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
tong shui » tong hui, cong shu
yang der » gang der, yang dean, klang der
der cost » oder cost, user cost, debt cost
gong hui » tong hui, wang hui, gong si

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: "wang liang yang der cost sharing best ((tong shui) OR (gong hui)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang yang der cost sharing best ((tong shui) OR (gong hui)) ;*.