Perhaps you should try some spelling variations:
communication 3.2.4 » communication 3.2.1, communication 3.2.3, communication 3.3.4
time communication » de communication, mobile communication, online communication
das developpement » des developpements, de developpement, du developpement
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
3.2.4 das » 3.2.1 das, 3.2.2 das, 3.2.3 das
3d time » 3 time, 3.1 time, 3.3 time
3.3 3d » 3.3 2d, 3.3 ad, 4.3 3d

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 3d time communication 3.2.4 das developpement en afrique.*.