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 ying » wang yang, wang yong, wang jing
ying yang » yang yang, yin yang, ying chang

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