Perhaps you should try some spelling variations:
yiqian wang » yijiang wang, liqin wang
during risk » using risk, during crises, during crisis
qian wang » qian rong, qian yan, yan wang
can costa » can cost, can postal, da costa
can cash » a cash
a just » _ just
a us » a u.s, _ us, a un

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: ((yiqian wang) OR (qian wang)) zhi ((can costa) OR (can cash)) during risk ((a just) OR (a us)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yiqian wang) OR (qian wang)) zhi ((can costa) or (can cash)) during risk ((a just) or (a us)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((yiqian wang) OR (qian wang)) zhi ((can costa) or (can cash)) during risk ((a just) or (a us)) ;*.