Perhaps you should try some spelling variations:
communication services » telecommunications services
nps communication » nps communications, nets communication, c's communication
developpement et » developpement des, developpement de, development east
e developpement » de developpement, le developpement, et developpement
der evaluation » zur evaluation, 3 evaluation, 3.2 evaluation
typologie der » typologie des, ideologie der
evaluation 6 » evaluation 5
services e » services et, services en, services es
et afrique » en afrique, l afrique
die nps » die nis, die npth
6 die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: typologie der evaluation 6 die nps communication services e developpement et afrique.*.