Perhaps you should try some spelling variations:
"economiques politiques" » "historiques politiques"
"economic politique" » "economico politique", "economico politiques", "d'economie politique"
"economie politique" » "economies politique", "economique politique", "economics politique"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("economie politique") OR ("economic politique"))) OR ("economiques politiques")).
• Removing quotes may allow a broader search: (((( economie politique ) or ( economic politique ))) or ( economiques politiques )).
• Adding a wildcard symbol may retrieve word variants: (((("economie politique") or ("economic politique"))) or ("economiques politiques"))*.