Perhaps you should try some spelling variations:
costs using » tests using, costs arising, costs missing
yang lying » yang jing, yang liang, yang lin
land costs » land cost, wind costs, aid costs
using risk » during risk, using rs, funding risk
yang yang » wang yang, wang yan
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 ((yang lying) OR (yang yang)) land costs using risk ((how she) OR (how scale)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yang lying) or (yang yang)) land costs using risk ((how she) or (how scale)) ;*.