Perhaps you should try some spelling variations:
"cooperation test biologique periodiques." » "cooperation test biologiques periodiques.", "cooperation test biologie periodiques.", "cooperation test sociologique periodiques.", "cooperation trust biologique periodiques.", "cooperation fast biologique periodiques.", "cooperation et biologique periodiques.", "cooperation lutte biologique periodiques."
"cooperation la pratique periodiques." » "cooperation la critique periodiques.", "cooperation la politique periodiques.", "cooperation la physique periodiques.", "cooperation law pratique periodiques.", "cooperation a pratique periodiques.", "cooperation lead pratique 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 la pratique periodiques.") or ("cooperation test biologique periodiques."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("cooperation la pratique periodiques.") OR ("cooperation test biologique periodiques.")).
• Removing quotes may allow a broader search: (( cooperation la pratique periodiques. ) or ( cooperation test biologique periodiques. )).
• Adding a wildcard symbol may retrieve word variants: (("cooperation la pratique periodiques.") or ("cooperation test biologique periodiques."))*.