Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
old developpement » le developpement, ou developpement, de developpement
information gaps » information gap
developpement l » developpement il, developpement la, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
barriers old » barriers d, barriers milad, barriers paolo
gaps does » gaps notes, gaps do, guns does
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies a information gaps does _ communication barriers old developpement l afrique.*.