Perhaps you should try some spelling variations:
communication systeme » communication systems, communication system, commusnication systems
technologies cohort » technologies corporate, technologies authors, technologies co
cohort variation » color variation, country variation, about variation
la communication » data communication, data communications
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
variation der » variation des, variation bei, variation _
systeme le » systeme de, systeme e, systemes de
does la » does lac, does law, does a

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

• Adding a wildcard symbol may retrieve word variants: technologies cohort variation der does la communication systeme le developpement en afrique.*.