Perhaps you should try some spelling variations:
during crisis » during crises, housing crisis
debt during » debate during, debt turning, neet during
crisis tong » crisis ten, crisis taking, crisis topic
lang yan » wang yan, wang yang, zhang yan
yang jun » yang jui, pang jun, yang judy
yang jin » yang jie, ying jin, shang jin
tong hui » wang hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan ((yang jun) or (yang jin)) debt during crisis tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan ((yang jun) OR (yang jin)) debt during crisis tong hui ;*.