Perhaps you should try some spelling variations:
"cooperation _ biologiques periodiques." » "cooperation _ biologie periodiques.", "cooperation _ ecologie periodiques.", "cooperation _ psychologique periodiques."
"cooperation fast pratiques periodiques." » "cooperation fast pratique periodiques.", "cooperation fast plastiques periodiques.", "cooperation fast graphiques periodiques.", "cooperation et pratiques periodiques.", "cooperation des pratiques periodiques."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("cooperation fast pratiques periodiques.") or ("cooperation _ biologiques periodiques."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("cooperation fast pratiques periodiques.") OR ("cooperation _ biologiques periodiques.")).
• Removing quotes may allow a broader search: (( cooperation fast pratiques periodiques. ) or ( cooperation _ biologiques periodiques. )).
• Adding a wildcard symbol may retrieve word variants: (("cooperation fast pratiques periodiques.") or ("cooperation _ biologiques periodiques."))*.