Perhaps you should try some spelling variations:
"supply curve integration efforts." » "supply curve international efforts.", "supply curve conservation efforts.", "supply care integration efforts.", "supply fare integration efforts.", "supply use integration efforts."
"support tax integration power." » "support tax integration some.", "support tax integration process.", "support tax international power.", "support can integration power.", "support tax interaction power.", "support trade integration power.", "support a integration power.", "support staff integration power.", "support state integration power."

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply curve integration efforts.\") OR (\"support tax integration power.\"))~".
• Removing quotes may allow a broader search: (( supply curve integration efforts. ) OR ( support tax integration power. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply curve integration efforts.") OR ("support tax integration power."))*.