Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
communication 6.2 » communication 3.2, communication 3.3, communication 2
informal channel » informal channels, formal channels, informal care
technologies 3 » technologies _, technologies 4, technologies 2
development l » development li, development 1, development law
3 informal » _ informal, vs informal
l afrique » en afrique
6.2 2 » 6.2 _, 6.2 a, 6.2 x

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

• Adding a wildcard symbol may retrieve word variants: technologies 3 informal channel _ face communication 6.2 2 development l afrique.*.