Perhaps you should try some spelling variations:
"cooperation _ biologiques periodiques." » "cooperation _ biologie periodiques.", "cooperation _ ecologie periodiques.", "cooperation _ psychologique periodiques."
"cooperation fast publique periodiques." » "cooperation fast physique periodiques.", "cooperation fast musique periodiques.", "cooperation fast politique periodiques.", "cooperation sant publique periodiques.", "cooperation sante publique periodiques.", "cooperation fast public periodiques."

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: (("cooperation fast publique periodiques.") OR ("cooperation _ biologiques periodiques."))~.
• Removing quotes may allow a broader search: (( cooperation fast publique periodiques. ) or ( cooperation _ biologiques periodiques. ))~.
• Adding a wildcard symbol may retrieve word variants: (("cooperation fast publique periodiques.") or ("cooperation _ biologiques periodiques."))*.