Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
information 5.5.2 » information 1.5.2, information 5.2.2, information 5.4.2
25 communication » 2.5 communication, 5 communication, 2 communication
developpement de » developpement des, developpement durable
e developpement » de developpement, le developpement, et developpement
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
de afrique » de l'afrique, en afrique, l afrique
5.5.2 der » 3.5.2 der, 5.5.1 der, 5.5.2 die
der 25 » der 24
case e » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technologies a information 5.5.2 der 25 communication case e developpement de afrique.*.