Perhaps you should try some spelling variations:
risk taking » risk sharing
risky bonds » risky bond
done using » line using, move using
wang ryan » wang yan, wang yang, wang ban
risk bond » risky bond, risk beyond, risk board
ya a » a a, y a, ye a
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 a risk taking ((risk bond) OR (risky bonds)) star ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((done using) OR (wang ryan)) ya a risk taking ((risk bond) OR (risky bonds)) star ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((done using) or (wang ryan)) ya a risk taking ((risk bond) OR (risky bonds)) star ;".
• Adding a wildcard symbol may retrieve word variants: ((done using) or (wang ryan)) ya a risk taking ((risk bond) OR (risky bonds)) star ;*.