Perhaps you should try some spelling variations:
cost using » costs using, cost housing, test using
wang huang » wang luhang, wang liang, wang yang
using risk » during risk, using rs, funding risk
jing land » jing fang, kong land
land cost » land costs, land code, end cost
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) OR (wang hua)) jing land cost using risk ((how she) OR (how scale)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang huang) OR (wang hua)) jing land cost using risk ((how she) or (how scale)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang huang) OR (wang hua)) jing land cost using risk ((how she) or (how scale)) ;*.