Perhaps you should try some spelling variations:
personal communication » interpersonal communication
variation series » education series, action series, edition series
e developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
typologies die » typologies _, typologie des, typologie der
die variation » de variation, does variation, der variation
de personal » der personal, des personal, de persona
series de » series d, series e, series new
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: typologies die variation series de personal communication a e developpement l afrique.*.