Perhaps you should try some spelling variations:
"supply trade integration reforms." » "supply trade integration report.", "supply trade integration resource.", "supply trade immigration reform.", "supply case integration reforms."
"supply school integration efforts." » "supply school international efforts.", "supply school conservation efforts.", "supply school reintegration efforts.", "supply school integrating efforts.", "supply school interactions efforts.", "supplies school integration efforts.", "support school integration efforts.", "supply shock 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 trade integration reforms.") OR ("supply school integration efforts."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply trade integration reforms.\") OR (\"supply school integration efforts.\"))*".
• Removing quotes may allow a broader search: (( supply trade integration reforms. ) OR ( supply school integration efforts. ))*.