Perhaps you should try some spelling variations:
"nature et societal users." » "nature et societal needs.", "nature et societal self.", "nature et social uses.", "nature et societal baseds.", "nature et societal selfs.", "nature et social usess.", "nature meet societal users.", "nature new societal users.", "nature its societal users."
"nature et societal user." » "nature et societal based.", "nature et societal self.", "nature et social uses.", "nature meet societal user.", "nature new societal user.", "nature its societal user."
"nature _ societal ser." » "nature _ societal self.", "nature _ societal de.", "nature _ societe ser."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("nature _ societal ser.") or ((("nature et societal user.") or ("nature et societal users."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nature _ societal ser.") OR ((("nature et societal user.") OR ("nature et societal users.")))).
• Removing quotes may allow a broader search: (( nature _ societal ser. ) or ((( nature et societal user. ) or ( nature et societal users. )))).
• Adding a wildcard symbol may retrieve word variants: (("nature _ societal ser.") or ((("nature et societal user.") or ("nature et societal users."))))*.