Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
base communication » based communication, face communication, aware communication
communication 3.3 » communication _, communication a, communication 1
technologies daf » technologies dans, technologies a, technologies de
daf information » f information, math information, 2 information
developing de » developing e, developing ce, developing deep
content 2.1 » contents 2.1, context 2.1, content 2.3
2.1 base » 2.1 bases, 2.1 case, 3.1 base

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

• Adding a wildcard symbol may retrieve word variants: technologies daf information content 2.1 base communication 3.3 _ developing de l'afrique.*.