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