Perhaps you should try some spelling variations:
"transport infrastructural politics" » "transport infrastructures politics", "transport structural politics", "transportation infrastructures politics", "transport infrastructural solutions", "transport infrastructural utilities", "transport infrastructure policies"
"smart infrastructures politics" » "smart infrastructure policies", "smart infrastructures policy", "smart infrastructures practices", "smart infrastructure politics", "market infrastructures politics", "data infrastructures politics"
"smart infrastructures position" » "smart infrastructures protection", "smart infrastructures operation", "smart infrastructures radiation", "smart infrastructure position", "market infrastructures position", "data infrastructures position"
"transport infrastructure politics" » "transport infrastructure policies", "transport infrastructure policy", "transport infrastructure utilities"

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: (((("smart infrastructures politics") OR ("smart infrastructures position"))) OR ((("transport infrastructure politics") OR ("transport infrastructural politics")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"smart infrastructures politics\") OR (\"smart infrastructures position\"))) or (((\"transport infrastructure politics\") or (\"transport infrastructural politics\"))))".
• Removing quotes may allow a broader search: (((( smart infrastructures politics ) OR ( smart infrastructures position ))) or ((( transport infrastructure politics ) or ( transport infrastructural politics )))).
• Adding a wildcard symbol may retrieve word variants: (((("smart infrastructures politics") OR ("smart infrastructures position"))) or ((("transport infrastructure politics") or ("transport infrastructural politics"))))*.