Perhaps you should try some spelling variations:
"environment law assessment" » "environment _ assessment" (Expand Search), "environmental _ assessment" (Expand Search), "environment un assessment" (Expand Search), "environment global assessment" (Expand Search)
"environment age assessment" » "environment damage assessment" (Expand Search), "environment state assessment" (Expand Search), "environment _ assessment" (Expand Search), "environment facie assessment" (Expand Search), "environment free assessment" (Expand Search)
"environmental law assessment" » "environmental _ assessment" (Expand Search), "environmental un assessment" (Expand Search), "environmental global assessment" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("environmental law assessment") OR ((("environment law assessment") OR ("environment age assessment"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"environmental law assessment\") OR (((\"environment law assessment\") OR (\"environment age assessment\"))))".
• Removing quotes may allow a broader search: (( environmental law assessment ) OR ((( environment law assessment ) OR ( environment age assessment )))).
• Adding a wildcard symbol may retrieve word variants: (("environmental law assessment") OR ((("environment law assessment") OR ("environment age assessment"))))*.