Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
der communication » de communication, under communication, debt communication
un developpement » en developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technologie 2 » technologies 2, technologie c, technologie 3
barriers un » barriers _, barriers a, barriers 4
die der » die dauer

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

• Adding a wildcard symbol may retrieve word variants: technologie 2 information _ die der communication barriers un developpement en afrique.*.