Perhaps you should try some spelling variations:
"driving social overhead capital" » "driven social overhead capital", "solving social overhead capital", "improving social overhead capital"
"living social overhead capital" » "diving social overhead capital", "giving social overhead capital", "linking social overhead capital"

Try widening your search to All Fields.

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: (("living social overhead capital") OR ("driving social overhead capital")).
• Removing quotes may allow a broader search: (( living social overhead capital ) or ( driving social overhead capital )).
• Adding a wildcard symbol may retrieve word variants: (("living social overhead capital") or ("driving social overhead capital"))*.