Perhaps you should try some spelling variations:
communication 3.3.1 » communication 13.3.1, communication 3.2.1, communication 3.3.4
true communication » truth communication, time communication, stroke communication
das developpement » des developpements, de developpement, du developpement
developpement en » developpement et, developpement des, developpement de
10 integration » 11 integration, 1.2 integration, 3 integration
technology 10 » technology 110, technology 1, technology 11
3.3.1 das » 3.1.1 das, 2.3.1 das, 3.3.1 die
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 10 integration der 15 true communication 3.3.1 das developpement en afrique.*.