Perhaps you should try some spelling variations:
sharing risk » sharing best
during risk » using risk, during crises, during crisis
wang yang » wang yan, wang liang, wang yanling
hua rent » hua ren
ying shu » ying zhu, cong shu, ying hua
yang yi » yang di, yang xi, yang jui
yi hua » li hua, ya hua, yi hui

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang yi hua rent ((sharing risk) OR (during risk)) ying shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang yi hua rent ((sharing risk) OR (during risk)) ying shu ;*.