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
14 communication » 1.4 communication, 14 communications, 4 communication
developpement il » developpement de, developpement et, developpement du
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
il afrique » l afrique, en afrique
2.3.1 der » 2.3.1 die
der 14 » der 104, der 148, 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 14 communication case _ developpement il afrique.*.