Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
communication 3.3 » communication _, communication a, communication 1
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
contents 3.1 » contents 1, contents _, contents map
3 developing » 3 development
3.3 3 » 3.3 3d, 3.3 _, 3.3 a

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

• Adding a wildcard symbol may retrieve word variants: technologies a information contents 3.1 case communication 3.3 3 developing _ afrique.*.