Perhaps you should try some spelling variations:
oral communication » personal communication
technologies von » technologies co, technologies box, technologies can
von information » von informationen, can information
information 1.2 » information 1.5.2, information 2
4 developpement » de developpement, le developpement, et developpement
des afrique » en afrique, de l'afrique
one oral » one moral, one rural, one oil
1.2 one » 1.2 bone, 10.2 one, 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 von information 1.2 one oral communication costs 4 developpement des afrique.*.