Perhaps you should try some spelling variations:
communication services » telecommunications services
data communication » data communications
des developpements » deux developpements, de developpement, et developpements
developpements en » developpement en, developpement et, developpements de
variation due » variation de, variation des, variation der
services des » services does, services de, service des
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 des developpements en afrique.*.