Perhaps you should try some spelling variations:
communication protocols » communication processes, communication practices
where communication » when communication, aware communication, sincere communication
developpement de » developpement des, developpement durable
5 developpement » de developpement, le developpement, et developpement
information 2 » information 3
protocols 5 » protocols _, protocol _, protocol 3
de afrique » de l'afrique, en afrique, l afrique
7.3 where » 2.3 where, 3.3 where, 4.3 where
2 7.3 » 2q 7.3, 2 3.3, 2 4.3

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 2 7.3 where communication protocols 5 developpement de afrique.*.