Perhaps you should try some spelling variations:
during risk » using risk, during crisis, reducing risk
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
yang jun » yang jui, pang jun, yang jin
jun cost » run cost, can cost, eu cost
how some » how women
crises » crisis

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yang jun cost ((during crises) or (during risk)) how some ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang jun cost ((during crises) OR (during risk)) how some ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yang jun cost ((during crises) or (during risk)) how some ;*.