Perhaps you should try some spelling variations:
alter communication » master communication, matter communication, water communication
communication 20 » communication 2.0, communication 2, communication 10
11 developing » 1 developing, 10 developing, 13 developing
contents 2.1 » contents 12.1, contexts 2.1, contents 3.1
developing l » developing l2, developing _, developing a
2.1 alter » 1.1 alter, 7.1 altere, 2.2.1 altere
l afrique » en afrique
20 11 » 10 11, 20 21, 22 11

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information contents 2.1 alter communication 20 11 developing l afrique.*.