Perhaps you should try some spelling variations:
savings risk » ratings risk, savings cross, savings rate
liang yang » wang yang, yang yang, huang yang
liang ying » liang liying, huang ying, zhang ying
risk wrong » risk among, risk along
wrong what » wrong way, bring what, wrong when
oder cost » lower cost, power cost, user cost
der cost » user cost, debt cost, diet 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: wang ((liang yang) OR (liang ying)) ((der cost) OR (oder cost)) savings risk wrong what ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((liang yang) or (liang ying)) ((der cost) or (oder cost)) savings risk wrong what ;*.