Perhaps you should try some spelling variations:
rating case » trading case, rating scale, heating case
rising cost » firing cost, living cost, driving costs
hua credit » dual credit, a credit, du credit
coping shu » cong shu
dong yang » dong hoang, wang yang, yang yang
yang yala » yang yang, yang yao, yang all
yala hua » ya 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 yala hua credit ((rating case) or (rising cost)) coping shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang yala hua credit ((rating case) OR (rising cost)) coping shu ;*.