Perhaps you should try some spelling variations:
personal communication » interpersonal communication
variation series » education series, action series, edition series
developpement en » developpement et, developpement des, developpement de
communication 1 » communication _, communication a, communication 3
e developpement » de developpement, le developpement, et developpement
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
series a » series _, series 1, series 2
1 e » 1 le

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation series a personal communication 1 e developpement en afrique.*.