Perhaps you should try some spelling variations:
2.4 communication » 2.14 communication, 5.4 communication, 2.3 communication
information data » information d820, information database, information databases
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
data 2.4 » data 2.2, data 2.3, data 2.1
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies a information data data 2.4 communication a de developpement en afrique.*.