Perhaps you should try some spelling variations:
during crisis » during crises, housing crisis
wang zhang » wang zheng, wang luhang, zhang zhang
zhang ying » zhang ming, zhang jing, zhang ping
un debat » un debate
le debat » le debut
du debat » du depot
how she » how some, how safe, how shih

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang zhang ying ((((un debat) OR (le debat))) or (du debat)) during crisis how she ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang zhang ying ((((un debat) OR (le debat))) OR (du debat)) during crisis how she ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang zhang ying ((((un debat) OR (le debat))) or (du debat)) during crisis how she ;".
• Adding a wildcard symbol may retrieve word variants: wang zhang ying ((((un debat) OR (le debat))) or (du debat)) during crisis how she ;*.