Perhaps you should try some spelling variations:
collection functions » production functions, collective actions
collection action » collective action, collective actions, collection method
functions et » functions _, function _
e society » _ society, open society
action e » action _, action a, actions _

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( collection functions et societes. ) or ( collection action e society. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( collection functions et societes. ) OR ( collection action e society. )).
• Adding a wildcard symbol may retrieve word variants: (( collection functions et societes. ) or ( collection action e society. ))*.