Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
en developpement » et developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
information der » information oder, information does, informatik der
3 communication » 4 communication, de communication, data communication
technologies 4 » technologies _
4 information » 2 information, 1 information
barriers en » barriers been, barriers key, barriers _
der debt » does debt, debt debt, der de
debt 3 » debt _, debt a, debt 1

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information der debt 3 communication barriers en developpement en afrique.*.