Perhaps you should try some spelling variations:
case company » card company, car company, large company
case coping » career coping, change coping, case mapping
hua credit » dual credit, a credit, du credit
dong nan » dong yang, dong sin, dong bin
nan yan » nan ya, wang yan, qian yan
yan hua » tan hua, ya hua, wang hua

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong nan yan hua credit rating ((case coping) OR (case company)) shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong nan yan hua credit rating ((case coping) OR (case company)) shu ;".
• Adding a wildcard symbol may retrieve word variants: dong nan yan hua credit rating ((case coping) OR (case company)) shu ;*.