Perhaps you should try some spelling variations:
credits planning » crisis planning, products planning, media planning
rural credits » rural credit, total credits
planning cost » planning case
cost coping » post coping, port coping, cost computing
yang rural » yang rudai, buying rural, change rural
coping shu » cong shu
wang yang » wang yan, wang liang

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) OR (wang yanling)) yang rural credits planning cost coping shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) OR (wang yanling)) yang rural credits planning cost coping shu ;*.