Perhaps you should try some spelling variations:
international environmental » national environmental
environmental politics » environmental policies, environmental policy, environmental pollution
turner international » turkey international, berner internationale, under international
politics series » policy series

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

• Performing a fuzzy search may retrieve terms with similar spellings: turner international environmental politics series~.
• Adding a wildcard symbol may retrieve word variants: turner international environmental politics series*.