Perhaps you should try some spelling variations:
"industrial treatment services series" » "initial treatment services series", "industrial retrenchment services series", "industrial investments services series", "industrial payment services series", "industrial treatment services service", "industrial treatment services survey", "industrial treatment services markets"
"industrial development center series" » "industrial development case series", "industrial development agencies series", "industrial development center survey"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("industrial development center series") or ("industrial treatment services series"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("industrial development center series") OR ("industrial treatment services series")).
• Removing quotes may allow a broader search: (( industrial development center series ) or ( industrial treatment services series )).
• Adding a wildcard symbol may retrieve word variants: (("industrial development center series") or ("industrial treatment services series"))*.