Perhaps you should try some spelling variations:
"monitoring environmental policy and policy" » "managing environmental policy and policy", "mining environmental policy and policy", "marine environmental policy and policy"
"enforcing environmental policy and policy" » "enhancing environmental policy and policy", "ensuring environmental policy and policy", "evolving environmental 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: (("monitoring environmental policy and policy") or ("enforcing environmental policy and policy"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("monitoring environmental policy and policy") OR ("enforcing environmental policy and policy")).
• Removing quotes may allow a broader search: (( monitoring environmental policy and policy ) or ( enforcing environmental policy and policy )).
• Adding a wildcard symbol may retrieve word variants: (("monitoring environmental policy and policy") or ("enforcing environmental policy and policy"))*.