Perhaps you should try some spelling variations:
communication 3.4.4 » communication 3.3.4, communication 3.4.1, communication 2.3.4
time communication » de communication, mobile communication, online communication
das developpement » des developpements, de developpement, du developpement
developpement de » developpement des, developpement durable
3.2 interaction » 3.2 introduction, face interaction
interaction 3.3 » interaction _, interaction 1, interaction 4
technology 3.2 » technology 2.2, technology 3.1, technology 2
de afrique » de l'afrique, en afrique, l afrique
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

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

• Adding a wildcard symbol may retrieve word variants: technology 3.2 interaction 3.3 3 time communication 3.4.4 das developpement de afrique.*.