Perhaps you should try some spelling variations:
"industrial procurement agent series" » "industrial procurement act series", "industrial procurement audit series", "industrial procurement market series", "industrial procurement age series", "industrial procurement ages series", "industrial procurement orient series"
"industrial development paths series" » "industrial development path series", "industrial development plans series", "industrial development pt series", "industrial development athens series", "industrial development games series", "industrial development ages series"

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 agent series") or ("industrial development paths series"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("industrial procurement agent series") OR ("industrial development paths series")).
• Removing quotes may allow a broader search: (( industrial procurement agent series ) or ( industrial development paths series )).
• Adding a wildcard symbol may retrieve word variants: (("industrial procurement agent series") or ("industrial development paths series"))*.