Perhaps you should try some spelling variations:
rating value » creating value, trading value, lasting value
dual credit » rural credit, deals credit, equal credit
value cong » value co, value closing, value change
wang yang » wang yan, wang liang, wang yanling
wang yong » wang hyoung, wang yan, wang shiyong
a dual » _ dual

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

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