Perhaps you should try some spelling variations:
taking risks » banking risks, making risk, rising risks
during risk » using risk, during crises, during crisis
yan using » yang using, san using, plan using
using der » using dea, using dem, using older
der cost » oder cost, user cost, debt cost
how some » how women
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan using der cost ((during risk) or (taking risks)) how some ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan using der cost ((during risk) OR (taking risks)) how some ;*.