Perhaps you should try some spelling variations:
communication services » telecommunications services
nps communication » nps communications, nets communication, c's communication
based evaluation » bid evaluation, based education
au developpement » du developpement, de developpement, le developpement
developpement la » developpement de, developpement et, developpement du
typologie based » typology based, ontologies based
evaluation 6 » evaluation 5
services au » services a, services ad, services ai
la afrique » l afrique, la fabrique, en 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 based evaluation 6 die nps communication services au developpement la afrique.*.