Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
technologies can » technologies a, technologies co, technologies _
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
can information » von information, von informationen
model date » model data, model kate, model update
date 6.2 » daten 6.2, data 6.2, date 4.2
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies can information model date 6.2 communication costs de developpement en afrique.*.