Perhaps you should try some spelling variations:
"industrial development center survey" » "industrial development case survey", "industrial development sector survey", "industrial development center series"
"industrial procurement plans series" » "industrial procurement laws series", "industrial procurement law series", "industrial procurement planning series", "industrial procurement plays series", "industrial procurement play series", "industrial procurement class 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 development center survey") OR ("industrial procurement plans series"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"industrial development center survey\") OR (\"industrial procurement plans series\"))".
• Removing quotes may allow a broader search: (( industrial development center survey ) OR ( industrial procurement plans series )).
• Adding a wildcard symbol may retrieve word variants: (("industrial development center survey") OR ("industrial procurement plans series"))*.