Perhaps you should try some spelling variations:
"industrial development passenger survey" » "industrial development partner survey", "industrial development challenges survey", "industrial development partners survey", "industrial development passenger services", "industrial development passenger service", "industrial development passenger subsidy"
"industrial development agencies series" » "industrial development policies series", "industrial government agencies series"

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 agencies series") OR ("industrial development passenger survey"))~.
• Removing quotes may allow a broader search: (( industrial development agencies series ) or ( industrial development passenger survey ))~.
• Adding a wildcard symbol may retrieve word variants: (("industrial development agencies series") or ("industrial development passenger survey"))*.