Perhaps you should try some spelling variations:
taking risky » taking risks, taking risk, making risk
risky bonds » risky bond, risk bond
done using » line using, move using
wang ryan » wang yan, wang yang, wang ban
hua risk » a risk, cva risk
era risk » a risk, cva risk
star » start, stay

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((done using) or (wang ryan)) ya ((hua risk) or (era risk)) taking risky bonds star ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((done using) OR (wang ryan)) ya ((hua risk) OR (era risk)) taking risky bonds star ;.
• Adding a wildcard symbol may retrieve word variants: ((done using) or (wang ryan)) ya ((hua risk) or (era risk)) taking risky bonds star ;*.