Perhaps you should try some spelling variations:
ratings risk » patients risk
rating risk » trading risk, raising risk, making risk
jian good » can good, than good, mean good
work sex » work six, work self, work sren
wang wu » wang hua, wang wei, wang hui
wu jian » wu jiao, wu qian, xu jian
work so » work soc, works so, work some

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 wu jian good credit ((rating risk) OR (ratings risk)) ((work so) OR (work sex)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang wu jian good credit ((rating risk) or (ratings risk)) ((work so) or (work sex)) ;*.