Perhaps you should try some spelling variations:
"smart infrastructures politics" » "smart infrastructure politics", "smart infrastructure policies", "smart infrastructures policy", "market infrastructures politics", "iot infrastructures politics"
"smart infrastructural politics" » "smart infrastructure politics", "smart infrastructural solutions", "smart infrastructural utilities", "shared infrastructural politics", "scale infrastructural politics"
"scale infrastructure projects" » "scale infrastructure protection", "space infrastructure projects", "scalable infrastructure projects", "secure infrastructure projects"
"scale infrastructure policy" » "scale infrastructure project", "scale infrastructure part", "space infrastructure policy", "scalable infrastructure policy", "secure infrastructure policy"

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: (((("scale infrastructure policy") OR ("scale infrastructure projects"))) OR ((("smart infrastructural politics") OR ("smart infrastructures politics"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"scale infrastructure policy\") OR (\"scale infrastructure projects\"))) or (((\"smart infrastructural politics\") or (\"smart infrastructures politics\"))))*".
• Removing quotes may allow a broader search: (((( scale infrastructure policy ) OR ( scale infrastructure projects ))) or ((( smart infrastructural politics ) or ( smart infrastructures politics ))))*.