Perhaps you should try some spelling variations:
environmental policies » environmental politics, environmental policy, environmental pollution
environment policy » environmental policy, environmental politics
republics » republic, republican, publics

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((environment policy) OR (environmental policies)) / former soviet republics".
• Adding a wildcard symbol may retrieve word variants: ((environment policy) OR (environmental policies)) / former soviet republics*.