Perhaps you should try some spelling variations:
communication 3.3.4 » communication 2.3.4, communication 3.3.1, communication 3.4.4
de communication » mobile communication, online communication
interaction 3.3 » interaction _, interaction 1, interaction 4
development en » developpement en, development menu, development eco
2 interaction » 3 interaction, 3.2 interaction, 3.1 interaction
technology 2 » technology _, technology 1, technology 3
3.3.4 gas » 3.3.4 das, 1.3.4 gas, 3.3.4 goals
3.3 e » 3.3 _, 3.3 a
e de » et de, e die, e der

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 e de communication 3.3.4 gas development en afrique.*.