Perhaps you should try some spelling variations:
communication medium » communication mediums, communication media, communications media
base communication » based communication, face communication, aware communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
informal group » informal groups, informal gold, informal out
group value » ground value, group volume, gross value
value base » value based, value case, values based
de african » do african, de africa, me african
medium le » medium der, medium des, medium als

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

• Adding a wildcard symbol may retrieve word variants: technologie _ informal group value base communication medium le developpement de african.*.