Perhaps you should try some spelling variations:
"supply school reintegration der." » "supply school integration der.", "supply social reintegration der.", "supply school integrating der.", "supply school reintegration _.", "supply school integration des.", "supplies school reintegration der.", "support school reintegration der.", "supply shock reintegration der."
"support grid integration efforts." » "support grid international efforts.", "support grid conservation efforts.", "support agri integration efforts.", "support grant integration efforts.", "support group integration efforts."

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

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