Perhaps you should try some spelling variations:
during crisis » during crises, housing crisis
huang lying » huang ying, huang jing, huang ting
code during » care during, code using, role during
huang lin » huang bin, huang jing, huang ting
land code » land cover
do stable » how stable, two stable, _ stable
how she » how some, how safe, how shih

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: wang ((huang lying) OR (huang lin)) land code during crisis ((how she) OR (do stable)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((huang lying) or (huang lin)) land code during crisis ((how she) or (do stable)) ;*.