Perhaps you should try some spelling variations:
"supply taxation international studies." » "supply action international studies.", "supply education international studies.", "supply canadian international studies.", "supply taxation international standards.", "supply taxation international standard.", "supply equation international studies.", "supply sanitation international studies.", "supply situation international studies."
"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 function integration efforts.", "supply conditions integration efforts."

Try widening your search to All Fields.

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