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

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yan) or (wang yanling)) yang rural credits planning cost coping shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (wang yanling)) yang rural credits planning cost coping shu ;*.