Perhaps you should try some spelling variations:
savings risk » ratings risk, savings cross, savings rate
liang lilin » liang liying, jiang liping
power cost » power costs, power costa, lower cost
risk along » risk among, ask along
yang yang » wang yang, wang yan
oder cost » der cost, lower cost, user cost
along who » along two, wrong who

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yang yang) or (liang lilin)) ((oder cost) OR (power cost)) savings risk along who ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang yang) OR (liang lilin)) ((oder cost) OR (power cost)) savings risk along who ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang yang) or (liang lilin)) ((oder cost) OR (power cost)) savings risk along who ;".
• Adding a wildcard symbol may retrieve word variants: wang ((yang yang) or (liang lilin)) ((oder cost) OR (power cost)) savings risk along who ;*.