Perhaps you should try some spelling variations:
during risk » using risk, during crises, during crisis
cost during » boost during, crust during, west during
huang ting » huang jing, huang bin, huang lin
huang ying » huang jing, huang yang, huang bin
lands cost » land cost, lands west, land costs
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((huang ting) OR (huang ying)) lands cost during risk ((how she) OR (how scale)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((huang ting) or (huang ying)) lands cost during risk ((how she) or (how scale)) ;*.