Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
de developpement » sme development
developpement de » developpement des, developpement durable
a communication » la communication, data communication, data communications
technologies 4 » technologies _
informatik der » information der, information oder, informatik und
4 informatik » 2.4 informatik, 4 information, der informatik
barriers de » barriers d, barriere der, barriers key
de afrique » de l'afrique, en afrique, l afrique
does a » does _

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 informatik der does a communication barriers de developpement de afrique.*.