Perhaps you should try some spelling variations:
oral communication » personal communication
technologies can » technologies a, technologies co, technologies _
can information » von information, von informationen
information 2.2 » information 1.2, information 2.7, information 2.2.2
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
2.2 open » 2.2 one
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies can information 2.2 open oral communication costs 4 developpement l afrique.*.