Perhaps you should try some spelling variations:
"nature et societes ser." » "nature et societe ser.", "nature et societes de.", "nature et societes en.", "nature des societes ser.", "nature et sociales ser.", "nature _ societes ser.", "nature det societes ser.", "nature ent societes ser.", "nature ret societes ser."
"nature e society work." » "nature e society where.", "nature free society work.", "nature de society work.", "nature en society work.", "nature re society work."
"nature e social work." » "nature e social workers.", "nature de social work.", "nature en social work.", "nature re social work.", "nature e sociali work.", "nature use social work.", "nature age social work."

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