Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
e developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
variation ton » variation von, variation how, variation onh
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
das personal » des personal, des personals, haus personal
l afrique » en afrique
ton das » koln das, bonn das

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation ton das personal communications _ e developpement l afrique.*.