Perhaps you should try some spelling variations:
communications services » communication services, communication series, telecommunications services
nps communications » les communications, u.s communications, vos communications
us developpement » un developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
der evaluation » zur evaluation, 3 evaluation, 3.2 evaluation
typologie der » typologie des, ideologie der
services us » services use, services und, services une
die nps » die nis, die npth

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

• Adding a wildcard symbol may retrieve word variants: typologie der evaluation _ die nps communications services us developpement de l'afrique.*.