Perhaps you should try some spelling variations:
"supply shock integrating policies." » "supply shock international policies.", "supply shock integrating countries.", "supply shock immigration policies.", "supply shadow integrating policies.", "supply china integrating policies.", "supply now integrating policies.", "supply shocks integrating policies."
"supply gaps testing services." » "supply gaps lending services.", "supply gaps training services.", "supply gaps banking services.", "supply means testing services.", "supply gap testing services.", "supply pipes testing services."

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: "((\"supply shock integrating policies.\") OR (\"supply gaps testing services.\"))~".
• Removing quotes may allow a broader search: (( supply shock integrating policies. ) OR ( supply gaps testing services. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply shock integrating policies.") OR ("supply gaps testing services."))*.