Perhaps you should try some spelling variations:
communication 3.3.4 » communication 2.3.4, communication 3.3.1, communication 3.4.4
true communication » truth communication, time communication, stroke communication
das developpement » des developpements, de developpement, du developpement
1.2 integration » 2.2 integration, 3.2 integration, 5.2 integration
developpement l » developpement il, developpement la, developpement de
technology 1.2 » technology 2.2, technology 3.2, technology 1.1
3.3.4 das » 3.3.1 das, 3.3.3 das, 4.3.4 das
l afrique » en afrique
15 true » 1 true, 15 three, 15 trame
der 15 » der 10, der 11, der 12

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

• Adding a wildcard symbol may retrieve word variants: technology 1.2 integration der 15 true communication 3.3.4 das developpement l afrique.*.