Perhaps you should try some spelling variations:
"transforming environmental policy and policy" » "enforcing environmental policy and policy", "transportation environmental policy and policy", "translating environmentally policy and policy"
"enhancing environmental policy and policy" » "planning environmental policy and policy", "managing environmental policy and policy", "changing environment policy and policy"

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: (("transforming environmental policy and policy") or ("enhancing environmental policy and policy"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("transforming environmental policy and policy") OR ("enhancing environmental policy and policy")).
• Removing quotes may allow a broader search: (( transforming environmental policy and policy ) or ( enhancing environmental policy and policy )).
• Adding a wildcard symbol may retrieve word variants: (("transforming environmental policy and policy") or ("enhancing environmental policy and policy"))*.