Perhaps you should try some spelling variations:
cost during » boost during, crust during, west during
during risk » using risk, during crises, during crisis
liang yang » liang ying, huang yang, liang dan
yang yang » wang yan
wang yang » wang yan, wang liang, wang yanling
jun cost » run cost, can cost, eu cost
how shu » how she, how shih, how slum

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) OR (yang yang))) or (wang yang)) jun cost during risk how shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((((liang yang) OR (yang yang))) OR (wang yang)) jun cost during risk how shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((((liang yang) OR (yang yang))) or (wang yang)) jun cost during risk how shu ;".
• Adding a wildcard symbol may retrieve word variants: wang ((((liang yang) OR (yang yang))) or (wang yang)) jun cost during risk how shu ;*.