Perhaps you should try some spelling variations:
communication 13.3.1 » communication 15.3.1, communication 3.3.1, communications 14.3.1
radio communication » crisis communication, data communication
das developpement » des developpements, de developpement, du developpement
developpement l » developpement il, developpement la, developpement de
10 integration » 11 integration, 1.2 integration, 3 integration
technology 10 » technology 110, technology 1, technology 11
13.3.1 das » 1.3.3.1 das, 3.3.1 das, 1.3.1 das
l afrique » en afrique
10 radio » 13 radio, 1 radio, 17 radio
der 10 » der 11, der 12, der 15

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

• Adding a wildcard symbol may retrieve word variants: technology 10 integration der 10 radio communication 13.3.1 das developpement l afrique.*.