Perhaps you should try some spelling variations:
personal communication » interpersonal communication
das developpement » des developpements, de developpement, du developpement
variation series » education series, action series, edition series
developpement l » developpement il, developpement la, developpement de
typologies der » typologie der, typologien der, typologie des
der variation » de variation, does variation, die variation
d personal » de personal, a personal, 1 personal
l afrique » en afrique
series d » series _, series 1, series 2

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

• Adding a wildcard symbol may retrieve word variants: typologies der variation series d personal communication _ das developpement l afrique.*.