Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
technologies 3.2 » technologies 3.1, technologies 2, technologies 2.1
information does » information der, information due, information duties
developpement de » developpement des, developpement durable
3.2 information » 4.2 information, 2.2 information, 2.3.2 information
a communication » la communication, data communication, data communications
a developpement » au developpement, de developpement, le developpement
barriers a » barriers _, barrier _
de afrique » de l'afrique, en afrique, l afrique
does debt » does de
debt a » debt _

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.2 information does debt a communication barriers a developpement de afrique.*.