Perhaps you should try some spelling variations:
during crisis » during crises, housing crisis
debat during » debate during, debt during, exit during
jie debat » le debat
how space » how race
fan yang » tan yang, wang yang, yang yang
fan ying » fan xing, ran ying, tan ying
dan yang » daun yang, tan yang, wang yang

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: wai ((((fan yang) OR (fan ying))) OR (dan yang)) jie debat during crisis how space ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wai ((((fan yang) OR (fan ying))) or (dan yang)) jie debat during crisis how space ;~".
• Adding a wildcard symbol may retrieve word variants: wai ((((fan yang) OR (fan ying))) or (dan yang)) jie debat during crisis how space ;*.