Perhaps you should try some spelling variations:
communication services » telecommunications services
data communication » data communications
does developpement » de developpement, des developpements, does development
developpement en » developpement et, developpement des, developpement de
variation due » variation de, variation des, variation der
services does » services des, services de, services data
costs data » cost data
due costs » true costs, drug costs, cut costs

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

• Adding a wildcard symbol may retrieve word variants: typology _ variation due costs data communication services does developpement en afrique.*.