Perhaps you should try some spelling variations:
"supply sharing international aid." » "supply shaping international aid.", "supply reshaping international aid.", "supply changing international aid.", "supply sharing international airshow.", "supply sharing international airport.", "supply chain international aid.", "supply chains international aid."
"supply learning national policy." » "supply awakening national policy.", "supply learning action policy.", "supply learning personal policy.", "support learning national policy.", "supply planning national policy.", "supply training national policy.", "supply learning national poverty."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply sharing international aid.") or ("supply learning national policy."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply sharing international aid.") OR ("supply learning national policy."))*.
• Removing quotes may allow a broader search: (( supply sharing international aid. ) or ( supply learning national policy. ))*.