Perhaps you should try some spelling variations:
"industrial development results operation" » "industrial development report operation", "industrial development research operation", "industrial development results operations", "industrial development results cooperation", "industrial development results operational"
"Industrial development rest period" » "Industrial development forest period", "Industrial development risk period", "Industrial development report period", "Industrial development rest periods"

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