Perhaps you should try some spelling variations:
communications networks » communication networks, telecommunications networks, telecommunications network
do developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
a information » 2 information, 1 information
information 2 » information 3
technology a » technology 1, technology 3, technology 4
networks do » networks _, networks 1, networks a
2 book » 23 book, e book

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

• Adding a wildcard symbol may retrieve word variants: technology a information 2 book data communications networks do developpement en afrique.*.