Perhaps you should try some spelling variations:
credit during » credit scoring, credit rating, exit during
during risk » using risk, during crises, during crisis
liang yang » liang ying, wang yang, huang yang
yang yang » wang yang, wang yan
du credit » de credit, 2 credit
work shiu » wong shiu, work six

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 ((liang yang) OR (yang yang)) du credit during risk work shiu ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((liang yang) or (yang yang)) du credit during risk work shiu ;*.