Perhaps you should try some spelling variations:
functional interactions » functional interaction, function interaction, functional integration
interactions services » interactions service, interactions series, interacting services
integration efforts » international efforts, conservation efforts
supply functional » supply function, supply functions, support functional

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

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