Perhaps you should try some spelling variations:
huang lying » huang ying, huang jing, huang lin
during risk » using risk, during crises, during crisis
wang huang » wang luhang, wang hua, wang liang
how stable » do stable, how scale, how state
land cost » land costs, end cost
land code » land cover
how shih » how six, how she

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