Perhaps you should try some spelling variations:
barriers information » careers information, series information, fairs information
technology barriers » technologies barriers, technological barriers, methodology barriers
information costs » information contents, information centers, information content
new communication » de communication, ec communication, et communication
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
communication 4 » communication _, communication a, communication 3
costs down » costs how
de afrique » de l'afrique, en afrique, l afrique
down new » down view, down de
4 der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technology barriers information costs down new communication 4 der developpement de afrique.*.