Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
information 2.3.1 » information 2.3.2, information 5.3.1, information 2.3.3
17 communication » 7 communication, 1 communication, 10 communication
de developpement » sme development
developpement de » developpement des, developpement durable
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
de afrique » de l'afrique, en afrique, l afrique
2.3.1 der » 2.3.1 die
case de » case des, case d, case d1
der 17 » der 175, der 179, der 10

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

• Adding a wildcard symbol may retrieve word variants: technologies a information 2.3.1 der 17 communication case de developpement de afrique.*.