Perhaps you should try some spelling variations:
"industrial investment policies series" » "industrial investments policies series", "industry investment policies series", "initial investment policies series", "industrial investment policy series", "industrial government policies series", "industrial development policies series", "industrial investment politics series"
"industrial development phone survey" » "industrial development phase survey", "industrial development zone survey", "industrial development alone 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 policies series") OR ("industrial development phone survey"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"industrial investment policies series\") OR (\"industrial development phone survey\"))".
• Removing quotes may allow a broader search: (( industrial investment policies series ) OR ( industrial development phone survey )).
• Adding a wildcard symbol may retrieve word variants: (("industrial investment policies series") OR ("industrial development phone survey"))*.