Perhaps you should try some spelling variations:
during crisis » during crises, housing crisis
using risk » during risk, using rs, funding risk
wang tan » wang yan, wang ban, wang dan
tan ying » fan ying, ran ying, tan 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 ying ((can lost) OR (von cash)) ((during crisis) OR (using risk)) yang shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang tan ying ((can lost) or (von cash)) ((during crisis) or (using risk)) yang shu ;*.