Perhaps you should try some spelling variations:
during crisis » during crises, housing crisis
boom during » blooms during, books during, boost during
huang jing » huang ting, huang ying, huang bin
wang jing » wang ning, wang liang, wang yang
land boom » land books, hand book, last boom
how sun » how sub, how sound, how slum

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 jing) or (wang jing)) land boom during crisis how sun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((huang jing) OR (wang jing)) land boom during crisis how sun ;*.