Perhaps you should try some spelling variations:
"Industrial development research period" » "Industrial development report period", "Industrial development research prior", "Industrial development research persona", "Industrial development research series"
"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 period"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Industrial development results period\") OR (\"Industrial development research period\"))".
• Removing quotes may allow a broader search: (( Industrial development results period ) OR ( Industrial development research period )).
• Adding a wildcard symbol may retrieve word variants: (("Industrial development results period") OR ("Industrial development research period"))*.