Perhaps you should try some spelling variations:
"industrial investment services series" » "industrial investments services series", "industry investment services series", "initial investment services series", "industrial government services series", "industrial treatment services series", "industrial investment choices series", "industrial investment services service", "industrial investment services survey", "industrial investment services markets"
"industrial development center series" » "industrial development case series", "industrial development agencies series", "industrial development center 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 investment services series") or ("industrial development center series"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("industrial investment services series") OR ("industrial development center series")).
• Removing quotes may allow a broader search: (( industrial investment services series ) or ( industrial development center series )).
• Adding a wildcard symbol may retrieve word variants: (("industrial investment services series") or ("industrial development center series"))*.