Perhaps you should try some spelling variations:
lying lands » sloping lands
cost during » boost during, crust during, west during
during risk » using risk, during crises, during crisis
lands cost » land cost, lands west, land costs
how stable » do stable, how state, how viable
how scale » how small, how space, new scale
how she » how some, how safe, how shih
wang » wing, lang

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 OR wan) hua lying lands cost during risk ((how she) OR (((how scale) OR (how stable)))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang OR wan) hua lying lands cost during risk ((how she) or (((how scale) or (how stable)))) ;~".
• Adding a wildcard symbol may retrieve word variants: (wang OR wan) hua lying lands cost during risk ((how she) or (((how scale) or (how stable)))) ;*.