Perhaps you should try some spelling variations:
personal communication » interpersonal communication
das developpement » des developpements, de developpement, du developpement
developpement en » developpement et, developpement des, developpement de
communication 2 » communication _, communication a, communication 3
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
1 personal » a personal, 4 personal, 1945 personal
des 1 » des 19, des 18, des 17
2 das » 1 das

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

• Adding a wildcard symbol may retrieve word variants: ideologie der variation des 1 personal communication 2 das developpement en afrique.*.