Perhaps you should try some spelling variations:
credit raising » credit training, credit rating, credit rationing
raising risk » rising risks, banking risk, making risk
dean credit » clean credit, deals credit, de credit
liang yang » wang yang, yang yang, huang yang
liang ying » liang liying, huang ying, zhang ying
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 (liang ying)) dean credit raising risk work shiu ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((liang yang) or (liang ying)) dean credit raising risk work shiu ;*.