Perhaps you should try some spelling variations:
credit trading » credit training, credit rating, credit standing
trading risk » trading case, trading room, funding risk
lend credit » land credit, bond credit, fund credit
liang ying » liang liying, huang ying, zhang ying
liang big » liang li
work some » works some, work home, work women
work sren » work karen, work trend, work sex

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 big) OR (liang ying)) lend credit trading risk ((work some) OR (work sren)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((liang big) or (liang ying)) lend credit trading risk ((work some) or (work sren)) ;*.