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 center series" » "industrial development case series", "industrial development century series", "industrial development gender series", "industrial development center studies"

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 center series") or ("industrial development passenger survey"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("industrial development center series") OR ("industrial development passenger survey")).
• Removing quotes may allow a broader search: (( industrial development center series ) or ( industrial development passenger survey )).
• Adding a wildcard symbol may retrieve word variants: (("industrial development center series") or ("industrial development passenger survey"))*.