Perhaps you should try some spelling variations:
"cooperation case biologiques periodiques." » "cooperation case biologie periodiques.", "cooperation case psychologique periodiques.", "cooperation fast biologiques periodiques.", "cooperation a biologiques periodiques.", "cooperation asia biologiques periodiques.", "cooperation test biologique periodiques."
"cooperation centre ecologie periodiques." » "cooperation centre biologie periodiques.", "cooperation centre sociologie periodiques.", "cooperation centre psychologie periodiques.", "cooperation et ecologie periodiques.", "cooperation canada ecologie periodiques.", "cooperation centred ecologies periodiques.", "cooperation create ecologies periodiques."

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

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