Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
data communication » data communications
l2 developpement » le developpement, de developpement, et developpement
developpement de » developpement des, developpement durable
technologies co » technologies _, technologies 4, technologies 2
information use » information und, information 2
co information » do information, 2 information, 1 information
barriers l2 » barriers 2, barriers 3.2, barriers law
de afrique » de l'afrique, en afrique, l afrique
use a » use _

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

• Adding a wildcard symbol may retrieve word variants: technologies co information use a data communication barriers l2 developpement de afrique.*.