Perhaps you should try some spelling variations:
ratings risk » patients risk
savings risk » savings cross, savings rate, savings bank
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
wrong who » wrong why, wrong what, wrong when
yang der » gang der, yang dean, klang der
der cost » oder cost, user cost, debt cost

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang yang der cost ((savings risk) OR (ratings risk)) wrong who ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang yang der cost ((savings risk) OR (ratings risk)) wrong who ;".
• Adding a wildcard symbol may retrieve word variants: wang liang yang der cost ((savings risk) OR (ratings risk)) wrong who ;*.