Perhaps you should try some spelling variations:
during risk » using risk, during crises, during crisis
risk yang » risk young, risk anp
wang tan » wang ban, wang tao, wing tan
wang dan » wang ban, wang yidan, wang yang
can lost » can cost, can lose, can post
von cash » von carl, can cash, do cash
yang shu » cong shu, tan shu, yang du

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) OR (wang dan))) OR (wang yan)) yi ((can lost) OR (von cash)) during risk yang shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wang tan) OR (wang dan))) or (wang yan)) yi ((can lost) or (von cash)) during risk yang shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((((wang tan) OR (wang dan))) or (wang yan)) yi ((can lost) or (von cash)) during risk yang shu ;*.