Perhaps you should try some spelling variations:
"industrial development repayment period" » "industrial development department period", "industrial development payments period", "industrial development employment period"
"industrial development results series" » "industrial development report series", "industrial development research series", "industrial development results fisheries", "industrial development adults series", "industrial development results brief"

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