Perhaps you should try some spelling variations:
deepening cooperation » deepening integration
causing services » cashing services, housing services, using services
supply deepening » supply developing
shock causing » shock coping, shock during
supply shock » supply shocks

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply shock causing services. ) or ( supply deepening cooperation through. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply shock causing services. ) OR ( supply deepening cooperation through. )).
• Adding a wildcard symbol may retrieve word variants: (( supply shock causing services. ) or ( supply deepening cooperation through. ))*.