Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication series » communication services, communication systems, communication skills
variation series » education series, action series, edition series
de developpement » sme development
developpement et » developpement des, developpement de, development east
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
e personal » de personal, 1 personal, 4 personal
et afrique » en afrique, l afrique
series de » series d, series new, series _
series e » 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: typologie der variation series e personal communication series de developpement et afrique.*.