Perhaps you should try some spelling variations:
rating else » rating case, nothing else
dual credit » rural credit, deals credit, equal credit
rating als » drawing als, rating a, rating scales
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
yaa dual » gaap dual, a dual, via dual
how shu » how she, how shih, how slum

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (yang yang)) yaa dual credit ((rating else) OR (rating als)) how shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) or (yang yang)) yaa dual credit ((rating else) OR (rating als)) how shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (yang yang)) yaa dual credit ((rating else) OR (rating als)) how shu ;*.