Perhaps you should try some spelling variations:
"Smart and sustainable access environment" » "Smart and sustainable forest environment", "Smart and sustainable accessible environment", "Smart and sustainable access enforcement", "Smart and sustainable acumen environment"
"smart and sustainable use environment" » "smart and sustainable use environmental", "smart and sustainable safe environment", "smart and sustainable home environment", "start and sustainable use environment"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("Smart and sustainable access environment") or ("smart and sustainable use environment"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("Smart and sustainable access environment") OR ("smart and sustainable use environment")).
• Removing quotes may allow a broader search: (( Smart and sustainable access environment ) or ( smart and sustainable use environment )).
• Adding a wildcard symbol may retrieve word variants: (("Smart and sustainable access environment") or ("smart and sustainable use environment"))*.