Perhaps you should try some spelling variations:
"industrial procurement agents series" » "industrial procurement agent series", "industrial procurement audits series", "industrial procurement plans series", "industrial procurement agents nerves", "industrial procurement ages series", "industrial procurement adults series"
"industrial development policy survey" » "industrial development policy surveys", "industrial development policy server", "industrial development policies survey"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("industrial procurement agents series") or ("industrial development policy survey"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("industrial procurement agents series") OR ("industrial development policy survey"))*.
• Removing quotes may allow a broader search: (( industrial procurement agents series ) or ( industrial development policy survey ))*.