Perhaps you should try some spelling variations:
communication services » telecommunications services
formal communication » informal communication, oral communication, moral communication
des developpements » deux developpements, de developpement, et developpements
developpements en » developpement en, developpement et, developpements de
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
services des » services does, services de, service des
does formal » loss formal, does formality, des formalen

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation _ does formal communication services des developpements en afrique.*.