Perhaps you should try some spelling variations:
psychologique periodiques » psychologie periodiques, politique periodiques, economique periodiques
cooperation denmark » cooperation mark, cooperation centre, cooperation feedback
cooperation entre » cooperation centre, cooperation europe, cooperation george
cooperation et » cooperation _, cooperation fast

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((cooperation entre) OR (cooperation denmark))) or (cooperation et)) psychologique periodiques.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((cooperation entre) OR (cooperation denmark))) OR (cooperation et)) psychologique periodiques..
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((cooperation entre) OR (cooperation denmark))) or (cooperation et)) psychologique periodiques.".
• Adding a wildcard symbol may retrieve word variants: ((((cooperation entre) OR (cooperation denmark))) or (cooperation et)) psychologique periodiques.*.