Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
technologies case » technologies based, technologies can, technologies create
information costs » information contents, information centers, information content
communication 6.2 » communication 3.2, communication 3.3, communication 2
case information » care information, based information, phase information
development lin » development li, development lid, development lie
lin afrique » en afrique, l afrique
costs 20 » costs 60, costs 2.3, costs 2.1
20 face » 2 face, 2.2 face, 2.3 face
6.2 a » 6.2 _, 2.2 a, 3.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologies case information costs 20 face communication 6.2 a development lin afrique.*.