Perhaps you should try some spelling variations:
during risk » using risk, during crises, during crisis
lands cost » lands west, land costs
yan liang » yang liang, wang liang, you liang
land cost » land costs, land code, end cost
how small » how smart
wing yan » wang yan, wing ian, wing tan
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: wing yan liang ((lands cost) OR (land cost)) during risk ((how she) OR (how small)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan liang ((lands cost) OR (land cost)) during risk ((how she) or (how small)) ;~".
• Adding a wildcard symbol may retrieve word variants: wing yan liang ((lands cost) OR (land cost)) during risk ((how she) or (how small)) ;*.