Perhaps you should try some spelling variations:
rating care » rating case, framing care, taking care
mapping shu » mapping snn, mapping safe, mapping slam
hua credit » dual credit, a credit, du credit
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
yang hua » wang hua, yang hui, ying 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 yang yang hua credit ((rating care) or (rating scale)) mapping shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang yang hua credit ((rating care) OR (rating scale)) mapping shu ;.
• Adding a wildcard symbol may retrieve word variants: dong yang yang hua credit ((rating care) or (rating scale)) mapping shu ;*.