Perhaps you should try some spelling variations:
during risk » during crises, during crisis, reducing risk
using risk » using rs, funding risk, rising risks
wang yang » wang yan, wang liang, wang yanling
yang ying » yang yang, yang jing, huang ying
ying end » big end
end cost » end close, land cost, end iot
how shih » how six
how she » how some, how safe

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 ying end cost ((during risk) or (using risk)) ((how she) OR (how shih)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ying end cost ((during risk) OR (using risk)) ((how she) OR (how shih)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ying end cost ((during risk) or (using risk)) ((how she) OR (how shih)) ;*".