Perhaps you should try some spelling variations:
"industrial development repayment periods" » "industrial development department periods", "industrial development payments periods", "industrial development employment periods", "industrial development repayment 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 results series") or ("industrial development repayment periods"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("industrial development results series") OR ("industrial development repayment periods"))*.
• Removing quotes may allow a broader search: (( industrial development results series ) or ( industrial development repayment periods ))*.