Perhaps you should try some spelling variations:
wide debate » aid debate, life debates, nudge debate
wang huang » wang luhang, wang hua, wang liang
huang yang » huang ying, huang chang, wang yang
jie debate » die debatte, aid debate, ce debate
crises how » crisis how
how safe » how safety, how space, how scale

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang huang yang ((jie debate) OR (wide debate)) during crises how safe ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang huang yang ((jie debate) OR (wide debate)) during crises how safe ;*".