Perhaps you should try some spelling variations:
communication 3.4.1 » communication 3.2.1, communication 3.3.1, communication 3.4.4
das developpement » des developpements, de developpement, du developpement
developpement l » developpement il, developpement la, developpement de
11 integration » 10 integration, 4.1 integration, 1.2 integration
technology 11 » technology 1.1, technology 110, technology 171
12.3 mass » 2.3 mass, 3.2.3 mass, 12.3 class
3.4.1 das » 4.4.1 das, 3.4.1 data, 3.4.1 die
l afrique » en afrique
der 12.3 » der 13, set 12.3

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

• Adding a wildcard symbol may retrieve word variants: technology 11 integration der 12.3 mass communication 3.4.1 das developpement l afrique.*.