Perhaps you should try some spelling variations:
"scale infrastructural solutions" » "scale infrastructure solutions", "scale infrastructure solution", "scale infrastructural politics", "scale infrastructures solutions", "state infrastructural solutions"
"market infrastructures solutions" » "market infrastructure solutions", "market infrastructure solution", "market infrastructure evolution", "key infrastructures solutions", "market structures solutions"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"scale infrastructural solutions\") OR (\"market infrastructures solutions\"))".
• Removing quotes may allow a broader search: (( scale infrastructural solutions ) OR ( market infrastructures solutions )).
• Adding a wildcard symbol may retrieve word variants: (("scale infrastructural solutions") OR ("market infrastructures solutions"))*.