Perhaps you should try some spelling variations:
equal credit » dual credit, equity credit, total credit
wading out » reading out, eating out, watching out
out coping » about coping, youth coping, post coping
coping shu » cong shu
wang yong » wang yang, wang hyoung, wang yan
yong yan » yang yang, dong yang, ying yang

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: wang yong yan ((rural credit) OR (equal credit)) wading out coping shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong yan ((rural credit) or (equal credit)) wading out coping shu ;*.