Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
communication 6.5 » communication 5.5, communication 6.2, communication 6.1
developpement en » developpement et, developpement des, developpement de
information age » information storage, information access, information about
3 developpement » de developpement, le developpement, et developpement
technologies 2 » technologies _, technologies 4
15 face » 5 face, 15 frage
age 15 » age 1.5, age 115, age 11
6.5 3 » 6.5 _, 6.5 a, 6.5 2

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information age 15 face communication 6.5 3 developpement en afrique.*.