Perhaps you should try some spelling variations:
"a resource development cooperation problem." » "a resource development cooperation program.", "a resource development cooperation progress.", "a resource development coordination problem."
"web trade development community programs." » "web trade development community projects.", "web software development community programs.", "web made development community programs."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("a resource development cooperation problem.") or ("web trade development community programs."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("a resource development cooperation problem.") OR ("web trade development community programs.")).
• Removing quotes may allow a broader search: (( a resource development cooperation problem. ) or ( web trade development community programs. )).
• Adding a wildcard symbol may retrieve word variants: (("a resource development cooperation problem.") or ("web trade development community programs."))*.