Perhaps you should try some spelling variations:
"supply function international studies." » "supply foundation international studies.", "supply sanctions international studies.", "supply action international studies.", "supply function international standards.", "supply function international standard."
"supply functions integration efforts." » "supply functional integration efforts.", "supply function interaction efforts.", "supply functional interaction efforts.", "supply functions international efforts.", "supply functions conservation efforts.", "supply conditions integration efforts."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply functions integration efforts.") or ("supply function international studies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply functions integration efforts.") OR ("supply function international studies.")).
• Removing quotes may allow a broader search: (( supply functions integration efforts. ) or ( supply function international studies. )).
• Adding a wildcard symbol may retrieve word variants: (("supply functions integration efforts.") or ("supply function international studies."))*.