Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
information costs » information contents, information centers, information content
communication 3.1 » communication 3.3, communication 3.2, communication 3.4
technologies age » technologies stage, technologies case, technologies a
age information » care information, rate information, die information
development law » development latin, development 1
law afrique » l afrique
costs 4 » costs _, costs a, costs 4.2
4 face » 43 face, _ face, a face
3.1 a » 3.1 _, 2.1 a

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

• Adding a wildcard symbol may retrieve word variants: technologies age information costs 4 face communication 3.1 a development law afrique.*.