Perhaps you should try some spelling variations:
"Smart and sustainable business environment" » "Smart and sustainable access environment", "Smart and sustainable cities environment"
"smart and sustainable public environment" » "smart and sustainable policy environment", "smart and sustainable built environment", "smart and sustainable policies environment", "smart and sustainable public environmental", "smart and sustainable public enrolment", "start and sustainable public environment"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("Smart and sustainable business environment") or ("smart and sustainable public environment"))~.
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• Adding a wildcard symbol may retrieve word variants: (("Smart and sustainable business environment") or ("smart and sustainable public environment"))*.