Perhaps you should try some spelling variations:
communication 3.3 » communication _, communication a, communication 1
information space » information search, information service, information science
das developpement » des developpements, de developpement, du developpement
technologies iot » technologies ict, technologies icts, technologies art
developpement en » developpement et, developpement des, developpement de
iot information » ist information, cost information, plot information
3 communication » 4 communication, de communication, data communication
space dem » space dead, space die
3.3 das » 2.3 das, 3.3 data
dem 3 » dem 23, dem _, dem 2

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

• Adding a wildcard symbol may retrieve word variants: technologies iot information space dem 3 communication 3.3 das developpement en afrique.*.