Perhaps you should try some spelling variations:
communication practices » communication processes, communication services, communication activities
chairs communication » change communication, class communication, mass communication
information 1999 » information 1995, information 1.9, information 1
technologies 2 » technologies _, technologies 4
development li » development lid, development lie, development lin
li afrique » l afrique, en afrique
1999 1.1 » 1969 1.1, 1994 1.1, 1995 1.1

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 1999 1.1 chairs communication practices _ development li afrique.*.