Perhaps you should try some spelling variations:
"industrial investment series series" » "industrial investments series series", "industry investment series series", "initial investment series series", "industrial investment services series", "industrial investment barriers series", "industrial investment treaties series"
"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 series series") OR ("industrial development center series"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"industrial investment series series\") OR (\"industrial development center series\"))".
• Removing quotes may allow a broader search: (( industrial investment series series ) OR ( industrial development center series )).
• Adding a wildcard symbol may retrieve word variants: (("industrial investment series series") OR ("industrial development center series"))*.