Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 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 2.3 » daten 2.3, data 2.3, rate 2.3
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 2.3 communication costs de developpement en afrique.*.