Perhaps you should try some spelling variations:
"supply grid integration efforts." » "supply grid international efforts.", "supply grid conservation efforts.", "supply crowd integration efforts.", "supply great integration efforts.", "support grid integration efforts."
"import trade international power." » "import care international power.", "import time international power.", "import private international power.", "import trade international poverty.", "import trade international ports.", "import trade international panel.", "export trade international power.", "import price international power.", "import taxes international power."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply grid integration efforts.") or ("import trade international power."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply grid integration efforts.") OR ("import trade international power."))*.
• Removing quotes may allow a broader search: (( supply grid integration efforts. ) or ( import trade international power. ))*.