Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
testing services » existing services, lending services, training services
grid testing » ground testing, covid testing, rapid testing
supply case » supply cost, supply chain, supply curve
supply grid » supply crowd, supply great, support grid

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((supply trade) OR (supply case)) integration efforts. ) or ( supply grid testing services. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((supply trade) OR (supply case)) integration efforts. ) OR ( supply grid testing services. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((supply trade) OR (supply case)) integration efforts. ) or ( supply grid testing services. ))".
• Adding a wildcard symbol may retrieve word variants: (( ((supply trade) OR (supply case)) integration efforts. ) or ( supply grid testing services. ))*.