Perhaps you should try some spelling variations:
"industrial development efforts period" » "industrial development report period"
"industrial development results operation" » "industrial development report operation", "industrial development research operation", "industrial development results operations", "industrial development results cooperation", "industrial development results operational"

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 efforts period") or ("industrial development results operation"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("industrial development efforts period") OR ("industrial development results operation"))*.
• Removing quotes may allow a broader search: (( industrial development efforts period ) or ( industrial development results operation ))*.