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 reform period" » "industrial development report period", "industrial development reports period", "industrial development forum period"

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 reform period") OR ("Industrial development results operation"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"industrial development reform period\") OR (\"Industrial development results operation\"))".
• Removing quotes may allow a broader search: (( industrial development reform period ) OR ( Industrial development results operation )).
• Adding a wildcard symbol may retrieve word variants: (("industrial development reform period") OR ("Industrial development results operation"))*.