Perhaps you should try some spelling variations:
during risk » using risk, during crises, during crisis
risk yang » risk young, risk anp
tan ying » fan ying, tan yang, tan yong
ran ying » fan ying, jin ying, gao ying
can lost » can cost, can lose, can post
von cash » von carl, can cash, do cash
yang du » yang di, yang d, yang mu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((tan ying) OR (ran ying)) ((can lost) OR (von cash)) during risk yang du ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((tan ying) OR (ran ying)) ((can lost) or (von cash)) during risk yang du ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((tan ying) OR (ran ying)) ((can lost) or (von cash)) during risk yang du ;*.