Perhaps you should try some spelling variations:
cost during » boost during, crust during, west during
during risk » using risk, during crises, during crisis
wang huang » wang luhang, wang hua, wang liang
jing fang » jia fang, jin kang, yin fang
weng fang » wen wang
how scale » how stable, how small, how space
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 ((jing fang) OR (weng fang)) cost during risk ((how shih) OR (how scale)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang huang ((jing fang) or (weng fang)) cost during risk ((how shih) or (how scale)) ;*.