Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
key developpement » de developpement, le developpement, et developpement
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
information der » information oder, information does, informatik der
technology 1 » technology _
barriers key » barriers been, barriers _, barriers a
de afrique » de l'afrique, en afrique, l afrique
ring de » ring die, rang de, ringe des

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information der ring de communication barriers key developpement de afrique.*.