Perhaps you should try some spelling variations:
"Industrial development research operation" » "Industrial development report operation", "Industrial development research cooperation", "Industrial development research population", "Industrial development research generation"
"industrial development results period" » "industrial development report period", "industrial development results per", "industrial development results operation"

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 results period") OR ("Industrial development research operation"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"industrial development results period\") OR (\"Industrial development research operation\"))".
• Removing quotes may allow a broader search: (( industrial development results period ) OR ( Industrial development research operation )).
• Adding a wildcard symbol may retrieve word variants: (("industrial development results period") OR ("Industrial development research operation"))*.