Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
des informations » aids information
developpement en » developpement et, developpement des, developpement de
informations nd » informations und, informations sur, informations och
a developpement » au developpement, de developpement, le developpement
technology des » technology does, technology debts, technology nodes
barriers a » barriers _, barrier _
nd range » 3d range, mid range, _ range

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

• Adding a wildcard symbol may retrieve word variants: technology des informations nd range _ communication barriers a developpement en afrique.*.