Perhaps you should try some spelling variations:
communication based » communication united, communication brazil, communication barriers
technologies 2.1 » technologies _, technologies 4, technologies a
du developpement » de developpement, le developpement, et developpement
2.1 information » 3.1 information
information der » information oder, information does, informatik der
3 communication » 4 communication, de communication, data communication
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
based du » based dm, based drug, based dna
does 3 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information der does 3 communication based du developpement l afrique.*.