Perhaps you should try some spelling variations:
"supply american integration efforts." » "supply numerical integration efforts.", "supply urban integration efforts.", "supply american international efforts.", "supply american conservation efforts.", "supply mexican integration efforts.", "supply africa integration efforts.", "ugly american integration efforts."
"supply forest construction works." » "supply forecast construction works.", "supply forest reconstruction works.", "supply forestry construction works.", "supply forest construction work.", "supply forest construction workers.", "supply forest construction costs.", "supply cost construction works.", "supply west construction works."

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

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