Perhaps you should try some spelling variations:
cost during » boost during, crust during, west during
during risk » using risk, during crises, during crisis
yang lying » yang jing, yang liang, yang lin
lands cost » land cost, lands west, land costs
yang yang » wang yang, wang yan
how scale » how stable, how small, how space
how she » how some, how safe, how shih

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 lying) OR (yang yang)) lands cost during risk ((how she) or (how scale)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang lying) OR (yang yang)) lands cost during risk ((how she) OR (how scale)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang lying) OR (yang yang)) lands cost during risk ((how she) or (how scale)) ;*".