Perhaps you should try some spelling variations:
during risk » during crises, during crisis, reducing risk
wang huang » wang luhang, wang hua, wang liang
huang ying » huang jing, huang ting, huang yang
using risk » using rs, funding risk, rising risks
un debat » un debate, le debat, du debat
du depot » du debat, im depot
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 ying ((un debat) OR (du depot)) ((during risk) OR (using risk)) how shih ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang huang ying ((un debat) or (du depot)) ((during risk) OR (using risk)) how shih ;~".
• Adding a wildcard symbol may retrieve word variants: wang huang ying ((un debat) or (du depot)) ((during risk) OR (using risk)) how shih ;*.