Perhaps you should try some spelling variations:
functional interactions » functional interaction, function interaction, functional integration
international efforts » international airports, international energy, international airport
chain international » chains international, main international, can international
interactions series » interactions between
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 international efforts. ) or ( supply functional interactions series. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply chain international efforts. ) OR ( supply functional interactions series. )).
• Adding a wildcard symbol may retrieve word variants: (( supply chain international efforts. ) or ( supply functional interactions series. ))*.