Perhaps you should try some spelling variations:
"palm global information service" » "palm global information services", "palm global information security", "palm global integration service", "palm fiscal information service", "palm personal information service"
"essential social information sources" » "essential social information resources", "essential social information services", "essential social information security", "essential social innovation sources", "essential social transformation sources", "essential digital information sources", "essential oils information sources", "essential skills information sources"

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: (("palm global information service") OR ("essential social information sources"))~.
• Removing quotes may allow a broader search: (( palm global information service ) or ( essential social information sources ))~.
• Adding a wildcard symbol may retrieve word variants: (("palm global information service") or ("essential social information sources"))*.