Perhaps you should try some spelling variations:
credit during » credit scoring, exit during
crises china » crisis china's, classes china, crises asia
wang wang » wang yang, wang liang, wang yan
wang yong » wang yang, wang hyoung, wang yan
china shu » china shen, china sea, china saw
yan des » plan des

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang wang) OR (wang yong)) yan des ((credit during) or (credit rating)) crises china shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (wang yong)) yan des ((credit during) OR (credit rating)) crises china shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) OR (wang yong)) yan des ((credit during) or (credit rating)) crises china shu ;*".