Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
interaction series » interactions series, interaction studies, interaction terms
energy integration » energy generation, energy information, monetary integration
chain interaction » chain integration, chain intervention, spin interaction
supply energy » supply bioenergy

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 interaction series. ) or ( supply energy integration efforts. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply chain interaction series. ) OR ( supply energy integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (( supply chain interaction series. ) or ( supply energy integration efforts. ))*.