Perhaps you should try some spelling variations:
communication 3.4.4 » communication 3.3.4, communication 3.4.1, communication 2.3.4
das developpement » des developpements, de developpement, du developpement
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
interaction 3.3 » interaction _, interaction 1, interaction 4
2 interaction » 3 interaction, 3.2 interaction, 3.1 interaction
technology 2 » technology _, technology 1, technology 3
3.4.4 das » 3.2.4 das, 3.3.4 das, 3.4.1 das
3.3 3 » 3.3 3d, 3.3 _, 3.3 a
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technology 2 interaction 3.3 3 de communication 3.4.4 das developpement en afrique.*.