Perhaps you should try some spelling variations:
communications protocols » communication protocols, communication protocol, communication process
mobile communications » mobile communication
developpement en » developpement et, developpement des, developpement de
4a information » a information, via information, lca information
technology 4a » technology 4, technology a, technology 4.1
information 2 » information 3
7.2 mobile » 2.2 mobile, 7.1 mobile, 7.2 motile
2 7.2 » 2 3.2, a 7.2, 2 6.2

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

• Adding a wildcard symbol may retrieve word variants: technology 4a information 2 7.2 mobile communications protocols _ developpement en afrique.*.