Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
12 communications » 10 communications, 12 communication, 14 communications
formationen eels » formationen des, formationen als, formationen der
communications a » communications _, communications law, communications media
developpement en » developpement et, developpement des, developpement de
eels data » levels data, als data, cecs data
data 12 » data 1.2, data 1, data 2

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

• Adding a wildcard symbol may retrieve word variants: technologies _ formationen eels data 12 communications a leur developpement en afrique.*.