Perhaps you should try some spelling variations:
savings risk » ratings risk, savings cross, savings rate
huang yang » huang ying, huang chang, wang yang
liang ying » liang liying, huang ying, zhang ying
risk wrong » risk among, risk along
wrong who » wrong why, wrong what, wrong when
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 ((huang yang) or (liang ying)) der cost savings risk wrong who ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((huang yang) OR (liang ying)) der cost savings risk wrong who ;.
• Adding a wildcard symbol may retrieve word variants: wang ((huang yang) or (liang ying)) der cost savings risk wrong who ;*.