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

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 wang) OR (wang liang)) yan ((dual credit) OR (equal credit)) wading out coping shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) OR (wang liang)) yan ((dual credit) or (equal credit)) wading out coping shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) OR (wang liang)) yan ((dual credit) or (equal credit)) wading out coping shu ;*.