Perhaps you should try some spelling variations:
savings risk » ratings risk, savings cross, savings rate
wang shiyong » wang hyoung
risk wrong » risk among, risk along
wrong what » wrong way, bring what, wrong when
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
yang can » yang fan, yang dean, yang jin
cost » costs

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 shiyong) OR (wang yang)) ((yang can) OR (yang yang)) cost savings risk wrong what ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang shiyong) or (wang yang)) ((yang can) OR (yang yang)) cost savings risk wrong what ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang shiyong) or (wang yang)) ((yang can) OR (yang yang)) cost savings risk wrong what ;*.