Perhaps you should try some spelling variations:
"monitoring environmental politics and policy" » "managing environmental politics and policy", "mining environmental politics and policy", "improving environmental politics and policy", "monitoring environmental policies and policy", "monitoring environmental policy and policy", "monitoring environmental conditions and policy"
"marine environmental pollution and policy" » "marine environmental protection and policy", "marine environmental conditions and policy", "marine environmental regulation and policy", "marine environment pollution and policy", "marine environments pollution and policy", "trade environmental pollution 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 politics and policy") or ("marine environmental pollution and policy"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("monitoring environmental politics and policy") OR ("marine environmental pollution and policy")).
• Removing quotes may allow a broader search: (( monitoring environmental politics and policy ) or ( marine environmental pollution and policy )).
• Adding a wildcard symbol may retrieve word variants: (("monitoring environmental politics and policy") or ("marine environmental pollution and policy"))*.