Perhaps you should try some spelling variations:
"industrial development efforts series" » "industrial development report series", "industrial development reports series", "industrial development efforts sometimes", "industrial development exporters series"
"internal government agencies series" » "internet government agencies series", "central government agencies series", "national government agencies series", "internal government policies series", "internal government agencies saras", "internal government agencies overview"

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 efforts series") OR ("internal government agencies series"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"industrial development efforts series\") OR (\"internal government agencies series\"))".
• Removing quotes may allow a broader search: (( industrial development efforts series ) OR ( internal government agencies series )).
• Adding a wildcard symbol may retrieve word variants: (("industrial development efforts series") OR ("internal government agencies series"))*.