Perhaps you should try some spelling variations:
"industrial development department period" » "industrial development partners period", "industrial development government period", "industrial government department period", "industrial development repayment period", "industrial development deferment period", "industrial development repayment periods"
"industrial development rest periods" » "industrial development west periods", "industrial development best periods", "industrial development forest periods", "industrial development peak periods"

You may be able to get more results by adjusting your search query.

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