Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
developpement la » developpement de, developpement et, developpement du
e developpement » de developpement, le developpement, et developpement
variation how » variation von, variation law, variation new
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
das personal » des personal, des personals, haus personal
la afrique » l afrique, la fabrique, en afrique
how das » now das, how does, how data

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

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