Perhaps you should try some spelling variations:
"land projects task force" » "wind projects task force", "fund projects task force", "aid projects task force", "land projects case force", "land projects back force", "land projects tail force", "lased projects task force", "plant projects task force", "randd projects task force"
"wind project _ forced" » "wind projects _ forced"
"land project task force" » "lased project task force", "plant project task force", "randd project task force", "land project track force", "land project stasis force", "land project teams force"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("wind project _ forced") or ((("land project task force") OR ("land projects task force"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("wind project _ forced") OR ((("land project task force") OR ("land projects task force")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"wind project _ forced\") or (((\"land project task force\") OR (\"land projects task force\"))))".
• Removing quotes may allow a broader search: (( wind project _ forced ) or ((( land project task force ) OR ( land projects task force )))).
• Adding a wildcard symbol may retrieve word variants: (("wind project _ forced") or ((("land project task force") OR ("land projects task force"))))*.